From 0d6d23b25db0e7d14969504eeba6ac31581a79a2 Mon Sep 17 00:00:00 2001 From: nobu Date: Sun, 22 May 2011 09:26:02 +0000 Subject: * ext: remove trailing spaces. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31689 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/bigdecimal/README | 2 +- ext/bigdecimal/bigdecimal_en.html | 66 ++--- ext/bigdecimal/bigdecimal_ja.html | 12 +- ext/bigdecimal/lib/bigdecimal/jacobian.rb | 2 +- ext/bigdecimal/lib/bigdecimal/util.rb | 6 +- ext/curses/curses.c | 168 ++++++------ ext/etc/depend | 2 +- ext/pty/pty.c | 4 +- ext/readline/README.ja | 62 ++--- ext/ripper/README | 2 +- ext/stringio/README | 2 +- ext/stringio/depend | 2 +- ext/syslog/syslog.txt | 4 +- ext/tk/ChangeLog.tkextlib | 36 +-- ext/tk/MANUAL_tcltklib.eng | 302 ++++++++++----------- ext/tk/MANUAL_tcltklib.eucj | 28 +- ext/tk/README.1st | 14 +- ext/tk/README.ActiveTcl | 24 +- ext/tk/README.fork | 14 +- ext/tk/README.macosx-aqua | 20 +- ext/tk/README.tcltklib | 64 ++--- ext/tk/lib/README | 4 +- ext/tk/lib/tkextlib/SUPPORT_STATUS | 56 ++-- ext/tk/lib/tkextlib/tcllib/README | 14 +- ext/tk/lib/tkextlib/tkimg/README | 2 +- ext/tk/old-README.tcltklib.eucj | 8 +- ext/tk/sample/demos-en/ChangeLog.prev | 2 +- ext/tk/sample/demos-en/README | 28 +- ext/tk/sample/demos-en/README.1st | 8 +- ext/tk/sample/demos-en/README.tkencoding | 4 +- ext/tk/sample/demos-en/browse1 | 22 +- ext/tk/sample/demos-en/browse2 | 22 +- ext/tk/sample/demos-en/doc.org/license.terms | 2 +- ext/tk/sample/demos-en/doc.org/license.terms.tk80 | 2 +- ext/tk/sample/demos-en/ixset | 28 +- ext/tk/sample/demos-en/ixset2 | 54 ++-- ext/tk/sample/demos-en/rmt | 68 ++--- ext/tk/sample/demos-en/rolodex | 6 +- ext/tk/sample/demos-en/square | 12 +- ext/tk/sample/demos-en/tcolor | 18 +- ext/tk/sample/demos-en/timer | 2 +- ext/tk/sample/demos-en/widget | 136 +++++----- ext/tk/sample/demos-jp/README | 14 +- ext/tk/sample/demos-jp/browse1 | 22 +- ext/tk/sample/demos-jp/browse2 | 22 +- ext/tk/sample/demos-jp/doc.org/license.terms | 2 +- ext/tk/sample/demos-jp/doc.org/license.terms.tk80 | 2 +- ext/tk/sample/demos-jp/ixset | 30 +- ext/tk/sample/demos-jp/ixset2 | 56 ++-- ext/tk/sample/demos-jp/rmt | 68 ++--- ext/tk/sample/demos-jp/rolodex | 6 +- ext/tk/sample/demos-jp/rolodex-j | 4 +- ext/tk/sample/demos-jp/square | 12 +- ext/tk/sample/demos-jp/tcolor | 18 +- ext/tk/sample/demos-jp/timer | 2 +- ext/tk/sample/demos-jp/widget | 208 +++++++------- ext/tk/sample/irbtkw.rbw | 10 +- ext/tk/sample/msgs_rb/README | 4 +- ext/tk/sample/msgs_rb/es.msg | 2 +- ext/tk/sample/msgs_rb/ru.msg | 4 +- ext/tk/sample/msgs_rb2/README | 2 +- ext/tk/sample/msgs_tk/README | 2 +- ext/tk/sample/msgs_tk/el.msg | 2 +- ext/tk/sample/msgs_tk/es.msg | 2 +- ext/tk/sample/msgs_tk/license.terms | 2 +- ext/tk/sample/msgs_tk/ru.msg | 4 +- ext/tk/sample/tkextlib/blt/readme.txt | 2 +- ext/tk/sample/tkextlib/tile/readme.txt | 4 +- ext/tk/sample/tkextlib/tile/repeater.tcl | 10 +- ext/tk/sample/tkextlib/tile/themes/blue/blue.tcl | 8 +- .../tkextlib/tile/themes/keramik/keramik.tcl | 28 +- .../tkextlib/tile/themes/keramik/pkgIndex.tcl | 2 +- ext/tk/sample/tkextlib/tile/themes/kroc/kroc.tcl | 38 +-- .../sample/tkextlib/tile/themes/kroc/pkgIndex.tcl | 2 +- .../tkextlib/tile/themes/plastik/pkgIndex.tcl | 2 +- ext/tk/sample/tkextlib/tile/toolbutton.tcl | 34 +-- ext/tk/sample/tkextlib/tkHTML/README | 6 +- ext/tk/sample/tkextlib/tkHTML/page2/index.html | 48 ++-- ext/tk/sample/tkextlib/tkHTML/page3/index.html | 38 +-- .../tkextlib/tkimg/license_terms_of_Img_extension | 4 +- ext/tk/sample/tkextlib/tkimg/readme.txt | 2 +- ext/tk/sample/tkextlib/treectrl/readme.txt | 2 +- ext/win32ole/depend | 2 +- 83 files changed, 1033 insertions(+), 1033 deletions(-) (limited to 'ext') diff --git a/ext/bigdecimal/README b/ext/bigdecimal/README index a233f47f64..ae65b014cf 100644 --- a/ext/bigdecimal/README +++ b/ext/bigdecimal/README @@ -51,7 +51,7 @@ You can redistribute it and/or modify it under either the terms of the GPL * The Author -Feel free to send comments and bug reports to the author. Here is the +Feel free to send comments and bug reports to the author. Here is the author's latest mail address: shigeo@tinyforest.gr.jp diff --git a/ext/bigdecimal/bigdecimal_en.html b/ext/bigdecimal/bigdecimal_en.html index 82acd2a2a5..afaf8eca86 100644 --- a/ext/bigdecimal/bigdecimal_en.html +++ b/ext/bigdecimal/bigdecimal_en.html @@ -31,14 +31,14 @@ pre

BigDecimal(Variable Precision Floating Library for Ruby)

Japanese

-BigDecimal is an extension library for the Ruby interpreter. -Using BigDecimal class, you can obtain any number of significant digits in computation. +BigDecimal is an extension library for the Ruby interpreter. +Using BigDecimal class, you can obtain any number of significant digits in computation. For the details about Ruby see:
+ NOTE:
This software is provided "AS IS" and without any express or implied warranties,including,without limitation,the implied @@ -62,15 +62,15 @@ NOTE:

Introduction

Ruby already has builtin (variable length integer number) class Bignum. Using Bignum class,you can obtain - any integer value in magnitude. But, variable length decimal number class is not yet built in. + any integer value in magnitude. But, variable length decimal number class is not yet built in. This is why I made variable length floating class BigDecimal. Feel free to send any comments or bug reports to me. shigeo@tinyforest.gr.jp -I will try(but can't promise) to fix bugs reported. +I will try(but can't promise) to fix bugs reported.

Installation

The Ruby latest version can be downloaded from Official Ruby page. -Once decompress the downloaded Ruby archive,follow the normal installation procedures according to the +Once decompress the downloaded Ruby archive,follow the normal installation procedures according to the documents included. @@ -89,7 +89,7 @@ to create BigDecimal objects,the program would like:
In 32 bits integer system,every 4 digits(in decimal) are computed simultaneously. This means the number of significant digits in BigDecimal is always a multiple of 4.

-Some more methods are available in Ruby code (not C code). +Some more methods are available in Ruby code (not C code). Functions such as sin,cos ...,are in math.rb in bigdecimal directory. To use them,require math.rb as: 

@@ -110,7 +110,7 @@ For details,see the util.rb code.
 a=BigDecimal::new(s[,n]) or

 a=BigDecimal(s[,n]) or

 where:

-s: Initial value string. Spaces will be ignored. Any unrecognizable character for 
+s: Initial value string. Spaces will be ignored. Any unrecognizable character for
 representing initial value terminates the string.

 n: Maximum number of significant digits of a. n must be a Fixnum object.
 If n is omitted or is equal to 0,then the maximum number of significant digits of a is determined from the length of s.
@@ -146,7 +146,7 @@ EXCEPTION_OVERFLOW controls the execution when computation overflows.

 EXCEPTION_ZERODIVIDE controls the execution when zero-division occurs.

 EXCEPTION_ALL controls the execution when any defined exception occurs.

 If the flag is true,then the relating exception is thrown.

-No exception is thrown when the flag is false(default) and computation 
+No exception is thrown when the flag is false(default) and computation
 continues with the result:

 

 EXCEPTION_NaN results to NaN

@@ -159,7 +159,7 @@ EXCEPTION_INFINITY,EXCEPTION_OVERFLOW, and EXCEPTION_ZERODIVIDE are
  currently the same.

 The return value of mode method is the value set.

 If nil is specified for the second argument,then current setting is returned.

-Suppose the return value of the mode method is f,then 
+Suppose the return value of the mode method is f,then
  f & BigDecimal::EXCEPTION_NaN !=0 means EXCEPTION_NaN is set to on.
 

 [ROUND error control]

@@ -185,7 +185,7 @@ use truncate/round/ceil/floor/add/sub/mult/div methods for each instance instead
 
 
  • limit[(n)]
    • 
 Limits the maximum digits that the newly created BigDecimal objects can hold never exceed n.
-This means the rounding operation specified by BigDecimal.mode is 
+This means the rounding operation specified by BigDecimal.mode is
 performed if necessary.
 limit returns the value before set if n is nil or is not specified.
 Zero,the default value,means no upper limit.
    
@@ -194,7 +194,7 @@ mf = BigDecimal::limit(n)
    
 
    
 
 
  • double_fig
    • 
-double_fig is a class method which returns the number of digits 
+double_fig is a class method which returns the number of digits
 the Float class can have.
 
       p BigDecimal::double_fig  # ==> 20 (depends on the CPU etc.)
@@ -290,7 +290,7 @@ returns the maximum integer value (in BigDecimal) which is less than or equal to
  c = BigDecimal("-1.23456").floor #  ==> -2
 
    
 
-As shown in the following example,an optional integer argument (n) specifying the position 
+As shown in the following example,an optional integer argument (n) specifying the position
 of the target digit can be given.
    
 If n> 0,then the (n+1)th digit counted from the decimal point in fraction part is processed(resulting number of fraction part digits is less than or equal to n).
    
 If n<0,then the n-th digit counted from the decimal point in integer part is processed(at least n 0's are placed from the decimal point to left).
@@ -308,7 +308,7 @@ returns the minimum integer value (in BigDecimal) which is greater than or equal
  c = BigDecimal("-1.23456").ceil #  ==> -1
    -As shown in the following example,an optional integer argument (n) specifying the position +As shown in the following example,an optional integer argument (n) specifying the position of the target digit can be given.
    If n>0,then the (n+1)th digit counted from the decimal point in fraction part is processed(resulting number of fraction part digits is less than or equal to n).
    If n<0,then the n-th digit counted from the decimal point in integer part is processed(at least n 0's are placed from the decimal point to left). @@ -327,7 +327,7 @@ round a to the nearest 1(default)ﾃD
    The rounding operation changes according to BigDecimal::mode(BigDecimal::ROUND_MODE,flag) if specified. -As shown in the following example,an optional integer argument (n) specifying the position +As shown in the following example,an optional integer argument (n) specifying the position of the target digit can be given.
    If n>0,then the (n+1)th digit counted from the decimal point in fraction part is processed(resulting number of fraction part digits is less than or equal to n).
    If n<0,then the n-th digit counted from the decimal point in integer part is processed(at least n 0's are placed from the decimal point to left). @@ -346,7 +346,7 @@ c = BigDecimal::new("1.23356").round(3,BigDecimal::ROUND_HALF_EVEN) # ==> 1.2
  • truncate[(n)]
    • c = a.truncate
    truncate a to the nearest 1ﾃD
    -As shown in the following example,an optional integer argument (n) specifying the position +As shown in the following example,an optional integer argument (n) specifying the position of the target digit can be given.
    If n>0,then the (n+1)th digit counted from the decimal point in fraction part is processed(resulting number of fraction part digits is less than or equal to n).
    If n<0,then the n-th digit counted from the decimal point in integer part is processed(at least n 0's are placed from the decimal point to left). @@ -373,7 +373,7 @@ converts to string(default results look like "0.xxxxxEn"). 
     BigDecimal("1.23456").to_s  #  ==> "0.123456E1"
    -If n(>0) is given,then a space is inserted to each of two parts divided by the decimal point +If n(>0) is given,then a space is inserted to each of two parts divided by the decimal point after every n digits for readability. 
     BigDecimal("0.1234567890123456789").to_s(10)   #  ==> "0.1234567890 123456789E0"
@@ -390,7 +390,7 @@ BigDecimal("0.1234567890123456789").to_s("+10") #  ==> "+0.1234567890 123456789E
 BigDecimal("-0.1234567890123456789").to_s("10") #  ==> "-0.1234567890 123456789E0"
    -At the end of the string,'E'(or 'e') or 'F'(or 'f') can be specified to change +At the end of the string,'E'(or 'e') or 'F'(or 'f') can be specified to change number representation. 
     BigDecimal("1234567890.123456789").to_s("E")  #  ==> "0.1234567890123456789E10"
@@ -408,7 +408,7 @@ means a = 0.xxxxxxx*10**n.
 
 
  • precs
    • 
 n,m = a.precs 
    
-precs returns number of significant digits (n) and maximum number of 
+precs returns number of significant digits (n) and maximum number of
 significant digits (m) of a.
 
    
 
@@ -473,7 +473,7 @@ p a=BigDecimal::new("3.14",10)
    
 should produce output like "#<0x112344:'0.314E1',4(12)%gt;".
 where "0x112344" is the address,
 '0.314E1' is the value,4 is the number of the significant digits,
-and 12 is the maximum number of the significant digits 
+and 12 is the maximum number of the significant digits
 the object can hold.
    @@ -527,12 +527,12 @@ same as ==,used in case statement.
    2.A is the BigDecimal object but B is other than BigDecimal object
    Operation is performed,after B is translated to corresponding BigDecimal object(because BigDecimal supports coerce method).
    3.A is not the BigDecimal object but B is BigDecimal object
    -
    If A has coerce method,then B will translate A to corresponding +
    If A has coerce method,then B will translate A to corresponding BigDecimal object and the operation is performed,otherwise an error occures.
    String is not translated to BigDecimal in default. -Uncomment /* #define ENABLE_NUMERIC_STRING */ in bigdecimal.c, compile and install +Uncomment /* #define ENABLE_NUMERIC_STRING */ in bigdecimal.c, compile and install again if you want to enable string to BigDecimal conversion. Translation stops without error at the character representing non digit. For instance,"10XX" is translated to 10,"XXXX" is translated to 0.
    @@ -563,7 +563,7 @@ and define coerce method within the new class.
    Infinite numbers and NaN can be represented by string writing "+Infinity"(or "Infinity"),"-Infinity",and "NaN" respectively in your program. Infinite numbers can be obtained by 1.0/0.0(=Infinity) or -1.0/0.0(=-Infinity).

    -NaN(Not a number) can be obtained by undefined computation like 0.0/0.0 +NaN(Not a number) can be obtained by undefined computation like 0.0/0.0 or Infinity-Infinity. Any computation including NaN results to NaN. Comparisons with NaN never become true,including comparison with NaN itself. @@ -602,7 +602,7 @@ where 'x' is any digit representing mantissa(kept in the array frac[]), BASE is base value(=10000 in 32 bit integer system), and n is the exponent value.
    Larger BASE value enables smaller size of the array frac[],and increases computation speed. -The value of BASE is defined ind VpInit(). In 32 bit integer system, this value is +The value of BASE is defined ind VpInit(). In 32 bit integer system, this value is 10000. In 64 bit integer system, the value is 1000000000. When BASE is 10000,an element of the array frac[] can have value of from 0 to 9999. (up to 4 digits).
    @@ -630,7 +630,7 @@ The decimal value 1234.56784321 is represented as(BASE=10000):
    0.1234 5678 4321*(10000)**1 where frac[0]=1234,frac[1]=5678,frac[2]=4321, -Prec=3,sign=2,exponent=1. MaxPrec can be any value greater than or equal to +Prec=3,sign=2,exponent=1. MaxPrec can be any value greater than or equal to Prec.
    @@ -657,7 +657,7 @@ The reason why I adopted decimal number representation for BigDecimal is:
    end     -If the internal representation is binary,translation from decimal to +If the internal representation is binary,translation from decimal to binary is required and the translation error is inevitable. For example, 0.1 can not exactly be represented in binary.
    0.1 => b1*2**(-1)+b1*2**(-2)+b3*2**(-3)+b4*2**(-4)....
    @@ -669,7 +669,7 @@ Of course, exact "0.1" is printed if the rounding operation is properly done,
    In binary representation,0.1 can not be represented in finite series of digit. But we only need one element(frac[0]=1) in decimal representation. -This means that we can always determine the size of the array frac[] in Real +This means that we can always determine the size of the array frac[] in Real structure. @@ -689,11 +689,11 @@ For the fundamental arithmetics such as addition,subtraction, multiplication,and division,I prepared 2 group of methods

    1. +,-,*,/

    -For the operation + - * /,you can not specify the resulting +For the operation + - * /,you can not specify the resulting number of significant digits.
    Resulting number of significant digits are defined as:
    -1.1 For *,resulting number of significant digits is the sum of the -significant digits of both side of the operator. For / ,resulting number of significant digits is the sum of the +1.1 For *,resulting number of significant digits is the sum of the +significant digits of both side of the operator. For / ,resulting number of significant digits is the sum of the maximum significant digits of both side of the operator.
    1.2 For + and -,resulting number of significant digits is determined so that no round operation is needed.
    @@ -705,7 +705,7 @@ which means more memory is required to keep computation results. But,the division such as c=1.0/3.0 will always be rounded.

    2. add,sub,mult,div

    -The length of the significant digits obtained from +,-,*,/ +The length of the significant digits obtained from +,-,*,/ is always defined by that of right and left side of the operator. To specify the length of the significant digits by your self, use methos add,sub,mult,div. @@ -724,7 +724,7 @@ decimal point.

    4. Example

    -Following example compute the ratio of the circumference of a circle to +Following example compute the ratio of the circumference of a circle to its diameter(pi=3.14159265358979....) using J.Machin's formula. 

    @@ -746,7 +746,7 @@ def big_pi(sig) # sig: Number of significant figures
   k = BigDecimal::new("1")
   w = BigDecimal::new("1")
   t = BigDecimal::new("-80")
-  while (u.nonzero? && u.exponent >= exp) 
+  while (u.nonzero? && u.exponent >= exp)
     t   = t*m25
     u   = t.div(k,sig)
     pi  = pi + u
diff --git a/ext/bigdecimal/bigdecimal_ja.html b/ext/bigdecimal/bigdecimal_ja.html
index 37bbcbbb09..cc44d61917 100644
--- a/ext/bigdecimal/bigdecimal_ja.html
+++ b/ext/bigdecimal/bigdecimal_ja.html
@@ -41,7 +41,7 @@ Ruby 
  
+
 
    
 
    目次
    
 
      
@@ -73,8 +73,8 @@ Ruby 
 BigDecimal を含む Ruby の最新版はRuby公式ページからダウンロードできます。
 ダウンロードした最新版を解凍したら、通常のインストール手順を実行して下さい。
 Ruby が正しくインストールされれば、同時に BigDecimal も利用できるようになるはずです。
-ソースファイルは 
-bigdecimal.c,bigdecimal.h 
+ソースファイルは
+bigdecimal.c,bigdecimal.h
 の２個のみです。
      
 
 
      
@@ -332,7 +332,7 @@ n>=0 
 
    • round[(n[,b])]
      • 
 c = a.round
      
 
-クラスメソッド BigDecimal::mode(BigDecimal::ROUND_MODE,flag) で指定した 
+クラスメソッド BigDecimal::mode(BigDecimal::ROUND_MODE,flag) で指定した
 ROUND_MODE に従って丸め操作を実行します。
 BigDecimal::mode(BigDecimal::ROUND_MODE,flag) で何も指定せず、かつ、引数
 を指定しない場合は「小数点以下第一位の数を四捨五入して整数（BigDecimal 値）」にします。
      
@@ -505,7 +505,7 @@ c = a.sqrt(n)
      
 
 
    • <=>
      • 
 a==b なら 0、a > b なら 1、a < b なら -1 になります。
      
-c = a <=> b 
+c = a <=> b
 
      
 
    
 後は、読んで字の如くです。
    
@@ -753,7 +753,7 @@ def big_pi(sig) # sig: Number of significant figures
   k = BigDecimal::new("1")
   w = BigDecimal::new("1")
   t = BigDecimal::new("-80")
-  while (u.nonzero? && u.exponent >= exp) 
+  while (u.nonzero? && u.exponent >= exp)
     t   = t*m25
     u   = t.div(k,sig)
     pi  = pi + u
diff --git a/ext/bigdecimal/lib/bigdecimal/jacobian.rb b/ext/bigdecimal/lib/bigdecimal/jacobian.rb
index 3f47e43b0e..8ab836259a 100644
--- a/ext/bigdecimal/lib/bigdecimal/jacobian.rb
+++ b/ext/bigdecimal/lib/bigdecimal/jacobian.rb
@@ -37,7 +37,7 @@ module Jacobian
       end
     end
   end
-  
+
 
   # Computes the derivative of f[i] at x[i].
   # fx is the value of f at x.
diff --git a/ext/bigdecimal/lib/bigdecimal/util.rb b/ext/bigdecimal/lib/bigdecimal/util.rb
index 6d22d2785d..6e1697be88 100644
--- a/ext/bigdecimal/lib/bigdecimal/util.rb
+++ b/ext/bigdecimal/lib/bigdecimal/util.rb
@@ -8,7 +8,7 @@ class Float < Numeric
   #     require 'bigdecimal/util'
   #
   #     0.5.to_d
-  #     # => # 
+  #     # => #
   #
   def to_d
     BigDecimal(self.to_s)
@@ -25,7 +25,7 @@ class String
   #     require 'bigdecimal/util'
   #
   #     "0.5".to_d
-  #     # => # 
+  #     # => #
   #
   def to_d
     BigDecimal(self)
@@ -69,7 +69,7 @@ class Rational < Numeric
   #   r.to_d
   #   # => #
   #   r.to_d(3)
-  #   # => # 
+  #   # => #
   def to_d(nFig=0)
     num = self.numerator.to_s
     if nFig<=0
diff --git a/ext/curses/curses.c b/ext/curses/curses.c
index fa8dc4721f..3778c27df3 100644
--- a/ext/curses/curses.c
+++ b/ext/curses/curses.c
@@ -219,7 +219,7 @@ curses_closed(void)
  * Document-method: Curses.clear
  *
  * Clears every position on the screen completely,
- * so that a subsequent call by Curses.refresh for the screen/window 
+ * so that a subsequent call by Curses.refresh for the screen/window
  * will be repainted from scratch.
  */
 static VALUE
@@ -230,7 +230,7 @@ curses_clear(VALUE obj)
     return Qnil;
 }
 
-/*  
+/*
  * Document-method: Curses.clrtoeol
  *
  * Clears to the end of line, that the cursor is currently on.
@@ -243,7 +243,7 @@ curses_clrtoeol(void)
     return Qnil;
 }
 
-/*  
+/*
  * Document-method: Curses.refresh
  *
  * Refreshes the windows and lines.
@@ -257,7 +257,7 @@ curses_refresh(VALUE obj)
     return Qnil;
 }
 
-/*  
+/*
  * Document-method: Curses.doupdate
  *
  * Refreshes the windows and lines.
@@ -361,7 +361,7 @@ curses_noraw(VALUE obj)
  * call Curses.cbreak or Curses.nocbreak explicitly.
  * Most interactive programs using curses set the cbreak mode.
  * Note that Curses.cbreak overrides Curses.raw.
- * 
+ *
  * see also Curses.raw
  */
 static VALUE
@@ -430,7 +430,7 @@ curses_nonl(VALUE obj)
  *
  * Sounds an audible alarm on the terminal, if possible;
  * otherwise it flashes the screen (visual bell).
- * 
+ *
  * see also Curses.flash
  */
 static VALUE
@@ -448,7 +448,7 @@ curses_beep(VALUE obj)
  *
  * Flashs the screen, for visual alarm on the terminal, if possible;
  * otherwise it sounds the alert.
- * 
+ *
  * see also Curses.beep
  */
 static VALUE
@@ -483,7 +483,7 @@ curses_char(VALUE c)
 }
 
 #ifdef HAVE_UNGETCH
-/* 
+/*
  * Document-method: Curses.ungetch
  * call-seq: ungetch(ch)
  *
@@ -504,7 +504,7 @@ curses_ungetch(VALUE obj, VALUE ch)
 #define curses_ungetch rb_f_notimplement
 #endif
 
-/*  
+/*
  * Document-method: Curses.setpos
  * call-seq: setpos(y, x)
  *
@@ -520,7 +520,7 @@ curses_setpos(VALUE obj, VALUE y, VALUE x)
     return Qnil;
 }
 
-/* 
+/*
  * Document-method: Curses.standout
  *
  * Enables the best highlighting mode of the terminal.
@@ -537,7 +537,7 @@ curses_standout(VALUE obj)
     return Qnil;
 }
 
-/* 
+/*
  * Document-method: Curses.standend
  *
  * Enables the Normal display (no highlight)
@@ -554,7 +554,7 @@ curses_standend(VALUE obj)
     return Qnil;
 }
 
-/* 
+/*
  * Document-method: Curses.inch
  *
  * Returns the character at the current position.
@@ -566,12 +566,12 @@ curses_inch(VALUE obj)
     return CH2FIX(inch());
 }
 
-/* 
+/*
  * Document-method: Curses.addch
  * call-seq: addch(ch)
  *
  * Add a character +ch+, with attributes, then advance the cursor.
- * 
+ *
  * see also the system manual for curs_addch(3)
  */
 static VALUE
@@ -582,12 +582,12 @@ curses_addch(VALUE obj, VALUE ch)
     return Qnil;
 }
 
-/* 
+/*
  * Document-method: Curses.insch
  * call-seq: insch(ch)
  *
  * Insert a character +ch+, before the cursor.
- * 
+ *
  */
 static VALUE
 curses_insch(VALUE obj, VALUE ch)
@@ -794,7 +794,7 @@ curses_curs_set(VALUE obj, VALUE visibility)
 #endif
 }
 
-/* 
+/*
  * Document-method: Curses.scrl
  * call-seq: scrl(num)
  *
@@ -818,7 +818,7 @@ curses_scrl(VALUE obj, VALUE n)
 #endif
 }
 
-/* 
+/*
  * Document-method: Curses.setscrreg
  * call-seq: setscrreg(top, bottom)
  *
@@ -843,7 +843,7 @@ curses_setscrreg(VALUE obj, VALUE top, VALUE bottom)
 #endif
 }
 
-/* 
+/*
  * Document-method: Curses.attroff
  * call-seq: attroff(attrs)
  *
@@ -859,7 +859,7 @@ curses_attroff(VALUE obj, VALUE attrs)
     /* return INT2FIX(attroff(NUM2INT(attrs))); */
 }
 
-/* 
+/*
  * Document-method: Curses.attron
  * call-seq: attron(attrs)
  *
@@ -893,7 +893,7 @@ curses_attrset(VALUE obj, VALUE attrs)
     /* return INT2FIX(attroff(NUM2INT(attrs))); */
 }
 
-/* 
+/*
  * Document-method: Curses.bkgdset
  * call-seq: bkgdset(ch)
  *
@@ -916,7 +916,7 @@ curses_bkgdset(VALUE obj, VALUE ch)
     return Qnil;
 }
 
-/* 
+/*
  * call-seq: bkgd(ch)
  *
  * Window background manipulation routines.
@@ -956,7 +956,7 @@ curses_use_default_colors(VALUE obj)
 #endif
 
 #if defined(HAVE_TABSIZE)
-/* 
+/*
  * Document-method: TABSIZE=
  * call-seq: TABSIZE=(value)
  *
@@ -973,7 +973,7 @@ curses_tabsize_set(VALUE obj, VALUE val)
 #endif
 
 #if defined(HAVE_TABSIZE)
-/* 
+/*
  * Returns the number of positions in a tab.
  */
 static VALUE
@@ -986,7 +986,7 @@ curses_tabsize_get(VALUE ojb)
 #endif
 
 #if defined(HAVE_ESCDELAY)
-/* 
+/*
  * call-seq: ESCDELAY=(value)
  *
  * Sets the ESCDELAY to Integer +value+
@@ -1002,7 +1002,7 @@ curses_escdelay_set(VALUE obj, VALUE val)
 #endif
 
 #if defined(HAVE_ESCDELAY)
-/* 
+/*
  * Returns the total time, in milliseconds, for which
  * curses will await a character sequence, e.g., a function key
  */
@@ -1015,7 +1015,7 @@ curses_escdelay_get(VALUE obj)
 #define curses_escdelay_get rb_f_notimplement
 #endif
 
-/* 
+/*
  * Document-method: Curses.resize
  * call-seq: resize(lines, cols)
  *
@@ -1023,7 +1023,7 @@ curses_escdelay_get(VALUE obj)
  *
  */
 
-/* 
+/*
  * Document-method: Curses.resizeterm
  * call-seq: resizeterm(lines, cols)
  *
@@ -1180,7 +1180,7 @@ curses_color_pairs(VALUE obj)
  * Document-method: Curses.pair_content
  * call-seq: pair_content(pair)
  *
- * Returns a 2 item Array, with the foreground and 
+ * Returns a 2 item Array, with the foreground and
  * background color, in +pair+
  */
 static VALUE
@@ -1248,7 +1248,7 @@ curses_mousedata_free(struct mousedata *mdata)
 	xfree(mdata->mevent);
 }
 
-/* 
+/*
  * Document-method: Curses.getmouse
  *
  * Returns coordinates of the mouse.
@@ -1395,7 +1395,7 @@ curses_timeout(VALUE obj, VALUE delay)
  *
  * Save the current terminal modes as the "program"
  * state for use by the Curses.reset_prog_mode
- * 
+ *
  * This is done automatically by Curses.init_screen
  */
 static VALUE
@@ -1414,7 +1414,7 @@ curses_def_prog_mode(VALUE obj)
  *
  * Reset the current terminal modes to the saved state
  * by the Curses.def_prog_mode
- * 
+ *
  * This is done automatically by Curses.close_screen
  */
 static VALUE
@@ -1438,14 +1438,14 @@ window_s_allocate(VALUE class)
     return Data_Make_Struct(class, struct windata, 0, free_window, winp);
 }
 
-/* 
+/*
  * Document-method: Curses::Window.new
  * call-seq: new(height, width, top, left)
  *
- * Contruct a new Curses::Window with constraints of 
+ * Contruct a new Curses::Window with constraints of
  * +height+ lines, +width+ columns, begin at +top+ line, and begin +left+ most column.
  *
- * A new window using full screen is called as 
+ * A new window using full screen is called as
  * 	Curses::Window.new(0,0,0,0)
  *
  */
@@ -1466,11 +1466,11 @@ window_initialize(VALUE obj, VALUE h, VALUE w, VALUE top, VALUE left)
     return obj;
 }
 
-/* 
+/*
  * Document-method: Curses::Window.subwin
  * call-seq: subwin(height, width, top, left)
  *
- * Contruct a new subwindow with constraints of 
+ * Contruct a new subwindow with constraints of
  * +height+ lines, +width+ columns, begin at +top+ line, and begin +left+ most column.
  *
  */
@@ -1493,7 +1493,7 @@ window_subwin(VALUE obj, VALUE height, VALUE width, VALUE top, VALUE left)
     return win;
 }
 
-/*  
+/*
  * Document-method: Curses::Window.close
  *
  * Deletes the window, and frees the memory
@@ -1510,7 +1510,7 @@ window_close(VALUE obj)
     return Qnil;
 }
 
-/*  
+/*
  * Document-method: Curses::Window.clear
  *
  * Clear the window.
@@ -1526,7 +1526,7 @@ window_clear(VALUE obj)
     return Qnil;
 }
 
-/*  
+/*
  * Document-method: Curses::Window.clrtoeol
  *
  * Clear the window to the end of line, that the cursor is currently on.
@@ -1542,7 +1542,7 @@ window_clrtoeol(VALUE obj)
     return Qnil;
 }
 
-/*  
+/*
  * Document-method: Curses::Window.refresh
  *
  * Refreshes the windows and lines.
@@ -1559,7 +1559,7 @@ window_refresh(VALUE obj)
     return Qnil;
 }
 
-/*  
+/*
  * Document-method: Curses::Window.noutrefresh
  *
  * Refreshes the windows and lines.
@@ -1582,7 +1582,7 @@ window_noutrefresh(VALUE obj)
     return Qnil;
 }
 
-/*  
+/*
  * Document-method: Curses::Window.move
  * call-seq: move(y,x)
  *
@@ -1599,7 +1599,7 @@ window_move(VALUE obj, VALUE y, VALUE x)
     return Qnil;
 }
 
-/*  
+/*
  * Document-method: Curses::Window.setpos
  * call-seq: setpos(y, x)
  *
@@ -1618,7 +1618,7 @@ window_setpos(VALUE obj, VALUE y, VALUE x)
     return Qnil;
 }
 
-/*  
+/*
  * Document-method: Curses::Window.cury
  *
  * A getter for the current line (Y coord) of the window
@@ -1634,7 +1634,7 @@ window_cury(VALUE obj)
     return INT2FIX(y);
 }
 
-/*  
+/*
  * Document-method: Curses::Window.curx
  *
  * A getter for the current column (X coord) of the window
@@ -1650,7 +1650,7 @@ window_curx(VALUE obj)
     return INT2FIX(x);
 }
 
-/*  
+/*
  * Document-method: Curses::Window.maxy
  *
  * A getter for the maximum lines for the window
@@ -1674,7 +1674,7 @@ window_maxy(VALUE obj)
 #endif
 }
 
-/*  
+/*
  * Document-method: Curses::Window.maxx
  *
  * A getter for the maximum columns for the window
@@ -1698,7 +1698,7 @@ window_maxx(VALUE obj)
 #endif
 }
 
-/*  
+/*
  * Document-method: Curses::Window.begy
  *
  * A getter for the beginning line (Y coord) of the window
@@ -1718,7 +1718,7 @@ window_begy(VALUE obj)
 #endif
 }
 
-/*  
+/*
  * Document-method: Curses::Window.begx
  *
  * A getter for the beginning column (X coord) of the window
@@ -1738,7 +1738,7 @@ window_begx(VALUE obj)
 #endif
 }
 
-/* 
+/*
  * Document-method: Curses::Window.box
  * call-seq: box(vert, hor)
  *
@@ -1782,7 +1782,7 @@ window_box(int argc, VALUE *argv, VALUE self)
     return Qnil;
 }
 
-/* 
+/*
  * Document-method: Curses::Window.standout
  *
  * Enables the best highlighting mode of the terminal.
@@ -1801,7 +1801,7 @@ window_standout(VALUE obj)
     return Qnil;
 }
 
-/* 
+/*
  * Document-method: Curses::Window.standend
  *
  * Enables the Normal display (no highlight)
@@ -1820,7 +1820,7 @@ window_standend(VALUE obj)
     return Qnil;
 }
 
-/* 
+/*
  * Document-method: Curses::Window.inch
  *
  * Returns the character at the current position of the window.
@@ -1834,12 +1834,12 @@ window_inch(VALUE obj)
     return CH2FIX(winch(winp->window));
 }
 
-/* 
+/*
  * Document-method: Curses::Window.addch
  * call-seq: addch(ch)
  *
  * Add a character +ch+, with attributes, to the window, then advance the cursor.
- * 
+ *
  * see also the system manual for curs_addch(3)
  */
 static VALUE
@@ -1853,12 +1853,12 @@ window_addch(VALUE obj, VALUE ch)
     return Qnil;
 }
 
-/* 
+/*
  * Document-method: Curses::Window.insch
  * call-seq: insch(ch)
  *
  * Insert a character +ch+, before the cursor, in the current window
- * 
+ *
  */
 static VALUE
 window_insch(VALUE obj, VALUE ch)
@@ -2086,7 +2086,7 @@ window_idlok(VALUE obj, VALUE bf)
     return Qnil;
 }
 
-/* 
+/*
  * Document-method: Curses::Window.setscrreg
  * call-seq: setscrreg(top, bottom)
  *
@@ -2119,7 +2119,7 @@ window_setscrreg(VALUE obj, VALUE top, VALUE bottom)
 /*
  * Document-method: Curses::Window.color_set
  * call-seq: color_set(col)
- * 
+ *
  * Sets the current color of the given window to the
  * foreground/background combination described by the Fixnum +col+.
  */
@@ -2135,7 +2135,7 @@ window_color_set(VALUE obj, VALUE col)
 }
 #endif /* defined(USE_COLOR) && defined(HAVE_WCOLOR_SET) */
 
-/* 
+/*
  * Document-method: Curses::Window.scroll
  *
  * Scrolls the current window up one line.
@@ -2150,7 +2150,7 @@ window_scroll(VALUE obj)
     return (scroll(winp->window) == OK) ? Qtrue : Qfalse;
 }
 
-/* 
+/*
  * Document-method: Curses::Window.scrl
  * call-seq: scrl(num)
  *
@@ -2176,7 +2176,7 @@ window_scrl(VALUE obj, VALUE n)
 #endif
 }
 
-/* 
+/*
  * Document-method: Curses::Window.attroff
  * call-seq: attroff(attrs)
  *
@@ -2197,7 +2197,7 @@ window_attroff(VALUE obj, VALUE attrs)
 #endif
 }
 
-/* 
+/*
  * Document-method: Curses::Window.attron
  * call-seq: attron(attrs)
  *
@@ -2228,7 +2228,7 @@ window_attron(VALUE obj, VALUE attrs)
 #endif
 }
 
-/* 
+/*
  * Document-method: Curses::Window.attrset
  * call-seq: attrset(attrs)
  *
@@ -2329,7 +2329,7 @@ window_getbkgd(VALUE obj)
 #endif
 }
 
-/* 
+/*
  * Document-method: Curses::Window.resize
  * call-seq: resize(lines, cols)
  *
@@ -2354,15 +2354,15 @@ window_resize(VALUE obj, VALUE lin, VALUE col)
 /*
  * Document-method: Curses::Window.keypad=
  * call-seq: keypad=(bool)
- * 
+ *
  * see Curses::Window.keypad
  */
 
-/* 
+/*
  * Document-method: Curses::Window.keypad
  * call-seq: keypad(bool)
  *
- * Enables the keypad of the user's terminal. 
+ * Enables the keypad of the user's terminal.
  * If enabled (+bool+ is +true+), the user can press a function key
  * (such as an arrow key) and wgetch returns a single value representing
  * the function key, as in KEY_LEFT.  If disabled (+bool+ is +false+),
@@ -2449,7 +2449,7 @@ window_timeout(VALUE obj, VALUE delay)
 
 /*------------------------- Initialization -------------------------*/
 
-/* 
+/*
  * Document-module: Curses
  *
  * == Description
@@ -2483,7 +2483,7 @@ window_timeout(VALUE obj, VALUE delay)
  *
  *
  * == Examples
- * 
+ *
  * * hello.rb
  *     :include: hello.rb
  *
@@ -2517,7 +2517,7 @@ Init_curses(void)
     rb_gc_register_address(&rb_stdscr);
 
 #ifdef USE_MOUSE
-    /* 
+    /*
      * Document-class: Curses::MouseEvent
      *
      * == Description
@@ -2618,11 +2618,11 @@ Init_curses(void)
 
     /*
      * Document-class: Curses::Window
-     * 
-     * == Description 
+     *
+     * == Description
      *
      * The means by which to create and manage frames or windows.
-     * While there may be more than one window at a time, only one window 
+     * While there may be more than one window at a time, only one window
      * receive the input.
      *
      * == Usage
@@ -2738,56 +2738,56 @@ Init_curses(void)
     rb_curses_define_const(A_COLOR);
 
 #ifdef COLORS
-    /* 
+    /*
      * Document-const: Curses::COLORS
      *
      * Integer of the colors available
      */
     rb_curses_define_const(COLORS);
 #endif
-    /* 
+    /*
      * Document-const: Curses::COLOR_BLACK
      *
      * Integer of the color black
      */
     rb_curses_define_const(COLOR_BLACK);
-    /* 
+    /*
      * Document-const: COLOR_RED
      *
      * Integer of the color red
      */
     rb_curses_define_const(COLOR_RED);
-    /* 
+    /*
      * Document-const: COLOR_GREEN
      *
      * Integer of the color green
      */
     rb_curses_define_const(COLOR_GREEN);
-    /* 
+    /*
      * Document-const: COLOR_YELLOW
      *
      * Integer of the color yellow
      */
     rb_curses_define_const(COLOR_YELLOW);
-    /* 
+    /*
      * Document-const: COLOR_BLUE
      *
      * Integer of the color blue
      */
     rb_curses_define_const(COLOR_BLUE);
-    /* 
+    /*
      * Document-const: COLOR_MAGENTA
      *
      * Integer of the color magenta
      */
     rb_curses_define_const(COLOR_MAGENTA);
-    /* 
+    /*
      * Document-const: COLOR_CYAN
      *
      * Integer of the color cyan
      */
     rb_curses_define_const(COLOR_CYAN);
-    /* 
+    /*
      * Document-const: COLOR_WHITE
      *
      * Integer of the color white
diff --git a/ext/etc/depend b/ext/etc/depend
index ac706477b0..f2c04f5879 100644
--- a/ext/etc/depend
+++ b/ext/etc/depend
@@ -1 +1 @@
-etc.o : etc.c $(hdrdir)/ruby.h $(topdir)/config.h $(hdrdir)/defines.h 
+etc.o : etc.c $(hdrdir)/ruby.h $(topdir)/config.h $(hdrdir)/defines.h
diff --git a/ext/pty/pty.c b/ext/pty/pty.c
index 6a3ab5bd6b..3e5fa8ea99 100644
--- a/ext/pty/pty.c
+++ b/ext/pty/pty.c
@@ -122,8 +122,8 @@ char	MasterDevice[] = "/dev/pty%s",
 
 static VALUE eChildExited;
 
-/* Returns the exit status of the child for which PTY#check 
- * raised this exception 
+/* Returns the exit status of the child for which PTY#check
+ * raised this exception
  */
 static VALUE
 echild_status(VALUE self)
diff --git a/ext/readline/README.ja b/ext/readline/README.ja
index 5c8e0da508..77ec55c3aa 100644
--- a/ext/readline/README.ja
+++ b/ext/readline/README.ja
@@ -37,28 +37,28 @@ readline([prompt, [add_hist]]) -> String | nil
   ･ｨ･･ｿ｡ｼ･ｭ｡ｼ､ﾎｲ｡ｲｼ､ﾊ､ﾉ､ﾇ･譯ｼ･ｶ､ｬﾊｸｻﾎ､ﾆﾎﾏ､ｷｽｪ､ｨ､､ﾈ｡｢
   ﾆﾎﾏ､ｷ､ｿﾊｸｻﾎ､ﾊﾖ､ｷ､ﾞ､ｹ｡｣
   ､ｳ､ﾎ､ﾈ､ｭ｡｢add_hist ､ｬ true ､ﾇ､｢､､ﾐ｡｢ﾆﾎﾏ､ｷ､ｿﾊｸｻﾎ､･ﾒ･ｹ･ﾈ･熙ﾋﾄﾉｲﾃ､ｷ､ﾞ､ｹ｡｣
-  
+
   ｲｿ､簇ﾎﾏ､ｷ､ﾆ､､､ﾊ､､ｾﾂﾖ､ﾇ EOF(UNIX ､ﾇ､ﾏ ^D) ､ﾆﾎﾏ､ｹ､､ﾊ､ﾉ､ﾇ｡｢
   ･譯ｼ･ｶ､ｫ､鬢ﾎﾆﾎﾏ､ｬ､ﾊ､､ｾｹ遉ﾏ nil ､ﾊﾖ､ｷ､ﾞ､ｹ｡｣
-  
+
   ｼ｡､ﾎｾｷ､ﾁｴ､ﾆﾋ､ｿ､ｹｾｹ遑｢ﾎ羌ｰ IOError ､ｬﾈｯﾀｸ､ｷ､ﾞ､ｹ｡｣
   1. ﾉｸｽ猗ﾎﾏ､ｬ tty ､ﾇ､ﾊ､､｡｣
   2. ﾉｸｽ猗ﾎﾏ､･ｯ･｡ｼ･ｺ､ｷ､ﾆ､､､｡｣(isatty(2) ､ﾎ errno ､ｬ EBADF ､ﾇ､｢､｡｣)
-  
+
   ﾋﾜ･皈ｽ･ﾃ･ﾉ､ﾏ･ｹ･･ﾃ･ﾉ､ﾋﾂﾐｱ､ｷ､ﾆ､､､ﾞ､ｹ｡｣
   ﾆﾎﾏﾂﾔ､ﾁｾﾂﾖ､ﾎ､ﾈ､ｭ､ﾏ･ｹ･･ﾃ･ﾉ･ｳ･･ﾆ･ｭ･ｹ･ﾈ､ﾎﾀﾚﾂﾘ､ｨ､ｬﾈｯﾀｸ､ｷ､ﾞ､ｹ｡｣
-  
+
   ﾆﾎﾏｻ､ﾋ､ﾏｹﾔﾆ簗ﾔｽｸ､ｬｲﾄﾇｽ､ﾇ｡｢vi ･筍ｼ･ﾉ､ﾈ Emacs ･筍ｼ･ﾉ､ｬﾍﾑｰﾕ､ｵ､､ﾆ､､､ﾞ､ｹ｡｣
   ･ﾇ･ﾕ･ｩ･･ﾈ､ﾏ Emacs ･筍ｼ･ﾉ､ﾇ､ｹ｡｣
-  
+
   ﾋﾜ･皈ｽ･ﾃ･ﾉ､ﾋ､ﾏﾃｰﾕｻｹ爨ｬ､｢､熙ﾞ､ｹ｡｣
   ﾆﾎﾏﾂﾔ､ﾁ､ﾎｾﾂﾖ､ﾇ ^C ､ｹ､､ﾈ ruby ･､･･ｿ･ﾗ･･ｿ､ｬｽｪﾎｻ､ｷ｡｢ﾃｼﾋｾﾂﾖ､ﾉｵ｢､ｷ､ﾞ､ｻ､｡｣
   ､ｳ､､ｲﾈ､ｹ､､ｿ､皃ﾎﾎ网3､ﾄｵ､ｲ､ﾞ､ｹ｡｣
-  
+
   * ^C､ﾋ､隍Interruptﾎ羌ｰ､ﾊ萃ｭ､ｷ､ﾆ｡｢ﾃｼﾋｾﾂﾖ､ﾉｵ｢､ｷ､ﾞ､ｹ:
-  
+
       require "readline"
-      
+
       stty_save = `stty -g`.chomp
       begin
         while buf = Readline.readline
@@ -70,48 +70,48 @@ readline([prompt, [add_hist]]) -> String | nil
           end
         end
       end
-  
+
   * INT･ｷ･ｰ･ﾊ･､ﾊ萃ｭ､ｷ､ﾆ｡｢ﾃｼﾋｾﾂﾖ､ﾉｵ｢､ｷ､ﾞ､ｹ:
-  
+
       require "readline"
-      
+
       stty_save = `stty -g`.chomp
       trap("INT") { system "stty", stty_save; exit }
-    
+
       while buf = Readline.readline
         p buf
       end
-  
+
   * ﾃｱ､ﾋ ^C ､ﾌｵｻ､ｹ､ﾊﾋ｡､筅｢､熙ﾞ､ｹ:
-  
+
       require "readline"
-      
+
       trap("INT", "SIG_IGN")
-      
+
       while buf = Readline.readline
         p buf
       end
-  
+
   ﾆﾎﾏﾍﾎ Readline::HISTORY ､ｻﾈﾍﾑ､ｷ､ﾆ｡｢ｶｹﾔ､萋ｾﾁｰ､ﾎﾆﾎﾏ､ﾈﾆｱ､ｸﾆ簣ﾆ､ﾏﾆﾎﾏ
   ﾍﾎ､ﾋｻﾄ､ｵ､ﾊ､､､ﾈ､､､ｦ､ｳ､ﾈ､筅ﾇ､ｭ､ﾞ､ｹ｡｣
-  
+
     require "readline"
-      
+
     while buf = Readline.readline("> ", true)
       # p Readline::HISTORY.to_a
       Readline::HISTORY.pop if /^\s*$/ =~ buf
-   
+
       begin
         if Readline::HISTORY[Readline::HISTORY.length-2] == buf
-          Readline::HISTORY.pop 
+          Readline::HISTORY.pop
         end
       rescue IndexError
       end
-   
+
       # p Readline::HISTORY.to_a
       print "-> ", buf, "\n"
     end
-  
+
   $SAFE ､ｬ 4 ､ﾎｾｹ遑｢ﾎ羌ｰ SecurityError ､ｬﾈｯﾀｸ､ｷ､ﾞ､ｹ｡｣
 
 === ･ｯ･鬣ｹ･皈ｽ･ﾃ･ﾉ
@@ -171,7 +171,7 @@ Readline.completion_case_fold -> bool
   ､ｽ､ﾎ､ﾞ､ﾞｼ霹ﾀ､ｹ､､ﾎ､ﾇ｡｢ｼ｡､ﾎ､隍ｦ､ﾊﾆｰｺ､､ｷ､ﾞ､ｹ｡｣
 
     require "readline"
-    
+
     Readline.completion_case_fold = "This is a String."
     p Readline.completion_case_fold # => "This is a String."
 
@@ -238,7 +238,7 @@ Readline.completion_append_character = char
   ｻﾈﾍﾑﾎ:
 
     require "readline"
-    
+
     Readline.readline("> ", true)
     Readline.completion_append_character = " "
 
@@ -246,13 +246,13 @@ Readline.completion_append_character = char
 
     >
     ､ｳ､ｳ､ﾇ "/var/li" ､ﾆﾎﾏ､ｷ､ﾞ､ｹ｡｣
-    
+
     > /var/li
     ､ｳ､ｳ､ﾇ TAB ･ｭ｡ｼ､ﾆﾎﾏ､ｷ､ﾞ､ｹ｡｣
-    
+
     > /var/lib
     "b" ､ｬﾊ莇ｰ､ｵ､｡｢ｺﾇｸ螟ﾋ " " ､ｬﾄﾉｲﾃ､ｵ､､､ﾎ､ﾇ｡｢"/usr" ､ﾏ｢ﾂｳ､ｷ､ﾆﾆﾎﾏ､ﾇ､ｭ､ﾞ､ｹ｡｣
-    
+
     > /var/lib /usr
 
   ､ﾊ､ｪ｡｢1ﾊｸｻ､ｷ､ｫｻﾘﾄ熙ｹ､､ｳ､ﾈ､ﾏ､ﾇ､ｭ､ﾞ､ｻ､｡｣
@@ -304,7 +304,7 @@ Readline.completer_word_break_characters = string
   Readline.basic_word_break_characters= ､ﾈ､ﾎｰ网､､ﾏ｡｢
   GNU Readline ､ﾎ rl_complete_internal ｴﾘｿ､ﾇｻﾈﾍﾑ､ｵ､､､ｳ､ﾈ､ﾇ､ｹ｡｣
 
-  GNU Readline ､ﾎ･ﾇ･ﾕ･ｩ･･ﾈ､ﾎﾃﾍ､ﾏ｡｢ 
+  GNU Readline ､ﾎ･ﾇ･ﾕ･ｩ･･ﾈ､ﾎﾃﾍ､ﾏ｡｢
   Readline.basic_word_break_characters ､ﾈﾆｱ､ｸ､ﾇ､ｹ｡｣
 
   ･ｵ･ﾝ｡ｼ･ﾈ､ｷ､ﾆ､､､ﾊ､､ｴﾄｶｭ､ﾇ､ﾏ｡｢ﾎ羌ｰ NotImplementedError ､ｬﾈｯﾀｸ､ｷ､ﾞ､ｹ｡｣
@@ -388,7 +388,7 @@ HISTORY
   ﾎ网ｨ､ﾐ｡｢HISTORY[4] ､ﾋ､隍 5 ﾈﾖﾌﾜ､ﾋﾆﾎﾏ､ｷ､ｿﾆ簣ﾆ､ｼ隍ｽﾐ､ｹ､ｳ､ﾈ､ｬ､ﾇ､ｭ､ﾞ､ｹ｡｣
 
     require "readline"
-    
+
     Readline::HISTORY.push("a", "b", "c", "d", "e")
     p Readline::HISTORY[4] # => "e"
 
@@ -421,7 +421,7 @@ HISTORY
 FILENAME_COMPLETION_PROC
 
   ･ﾕ･｡･､･ﾌｾ､ﾎﾊ莇ｰ､ｹﾔ､ｦ call ･皈ｽ･ﾃ･ﾉ､ｻ､ﾄ･ｪ･ﾖ･ｸ･ｧ･ｯ･ﾈ､ﾇ､ｹ｡｣
- 
+
   Readline.completion_proc= ､ﾋ､隍遙｢･譯ｼ･ｶ､ﾎﾆﾎﾏｻ､ﾋ･ﾕ･｡･､･ﾌｾ､ﾎﾊ莇ｰ､
   ｹﾔ､ｦ､隍ｦ､ﾋﾀﾟﾄ熙ｹ､､ｿ､皃ﾋｻﾈﾍﾑ､ｹ､､ｳ､ﾈ､ﾁﾛﾄ熙ｷ､ﾆ､ﾞ､ｹ｡｣
 
diff --git a/ext/ripper/README b/ext/ripper/README
index 0825013ba9..2ae2470e13 100644
--- a/ext/ripper/README
+++ b/ext/ripper/README
@@ -8,7 +8,7 @@ Ripper README
 
   Ripper is still early-alpha version.
   I never assure any kind of backward compatibility.
-  
+
 Requirements
 ------------
 
diff --git a/ext/stringio/README b/ext/stringio/README
index 10dd237de8..d03f37dfd3 100644
--- a/ext/stringio/README
+++ b/ext/stringio/README
@@ -13,6 +13,6 @@ This library is based on MoonWolf version written in Ruby.  Thanks a lot.
 * not implemented: (({fcntl})), (({reopen})).
 * (({fileno})) returns nil.
 * (({pos=})) returns new position, not 0.
-* (({ungetc})) does nothing at start of the string. 
+* (({ungetc})) does nothing at start of the string.
 
 =end
diff --git a/ext/stringio/depend b/ext/stringio/depend
index 338ebde529..e3f3409ed7 100644
--- a/ext/stringio/depend
+++ b/ext/stringio/depend
@@ -1,3 +1,3 @@
 stringio.o: stringio.c $(hdrdir)/ruby/ruby.h $(arch_hdrdir)/ruby/config.h \
   $(hdrdir)/ruby/defines.h $(hdrdir)/ruby/intern.h $(hdrdir)/ruby/io.h \
-  $(hdrdir)/ruby/encoding.h 
+  $(hdrdir)/ruby/encoding.h
diff --git a/ext/syslog/syslog.txt b/ext/syslog/syslog.txt
index 35bd4cb057..1507a87924 100644
--- a/ext/syslog/syslog.txt
+++ b/ext/syslog/syslog.txt
@@ -75,7 +75,7 @@ Module Methods:
 
 	Example:
 	  Syslog.crit("the sky is falling in %d seconds!", 5)
- 
+
    mask
    mask=(mask)
 
@@ -86,7 +86,7 @@ Module Methods:
 	Example:
 	  Syslog.mask = Syslog::LOG_UPTO(Syslog::LOG_ERR)
 
-   close 
+   close
 
 	Closes syslog.
 
diff --git a/ext/tk/ChangeLog.tkextlib b/ext/tk/ChangeLog.tkextlib
index 4aa9cb61d6..b4775c55fc 100644
--- a/ext/tk/ChangeLog.tkextlib
+++ b/ext/tk/ChangeLog.tkextlib
@@ -14,13 +14,13 @@
 
 Tue Nov 25 03:37:42 2008  Hidetoshi NAGAI  
 
-	* ext/tk/lib/tkextlib/blt/tabset.rb, 
-	  ext/tk/lib/tkextlib/blt/tabnotebook.rb: 
+	* ext/tk/lib/tkextlib/blt/tabset.rb,
+	  ext/tk/lib/tkextlib/blt/tabnotebook.rb:
 	  fix many bugs. Now, those work properly.
 
 Sat Nov 22 10:31:25 2008  Hidetoshi NAGAI  
 
-	* ext/tk/lib/tkextlib/blt.rb, ext/tk/lib/tkextlib/blt/vector.rb: 
+	* ext/tk/lib/tkextlib/blt.rb, ext/tk/lib/tkextlib/blt/vector.rb:
 	  fix NameError bug.
 
 2008-05-12  Hidetoshi NAGAI  
@@ -39,12 +39,12 @@ Sat Nov 22 10:31:25 2008  Hidetoshi NAGAI  
 
 2007-01-26  Hidetoshi NAGAI  
 
-	* ext/tk/lib/tkextlib/iwidgets/checkbox.rb: wrong number of arguments 
+	* ext/tk/lib/tkextlib/iwidgets/checkbox.rb: wrong number of arguments
 	  [ruby-Bugs-7776].
 
 	* ext/tk/lib/tkextlib/iwidgets/radiobox.rb: ditto.
 
-	* ext/tk/lib/tkextlib/blt/tile/checkbutton.rb: change primary name 
+	* ext/tk/lib/tkextlib/blt/tile/checkbutton.rb: change primary name
 	  of class [ruby-dev:30080].
 
 	* ext/tk/lib/tkextlib/blt/tile/radiobutton.rb: ditto.
@@ -53,16 +53,16 @@ Sat Nov 22 10:31:25 2008  Hidetoshi NAGAI  
 
 	* lib/tkextlib/tile/treeview.rb : minor bug fix.
 
-	* lib/tkextlib/blt/table.rb: fix bugs which forbade use of 
+	* lib/tkextlib/blt/table.rb: fix bugs which forbade use of
 	  '::blt::table' command. Now, probably, it'll works properly.
 
 2006-11-06  Hidetoshi NAGAI  
 
-	* lib/tkextlib/version.rb: keep release date of tkextlib on 
+	* lib/tkextlib/version.rb: keep release date of tkextlib on
 	  "Tk::Tkextlib_RELEASE_DATE".
 
-	* lib/tkextlib/tile/treeview.rb : support Tile 0.7.8. 
-	  Now, you can handle tree items as objects. 
+	* lib/tkextlib/tile/treeview.rb : support Tile 0.7.8.
+	  Now, you can handle tree items as objects.
 
 2006-10-04  Hidetoshi NAGAI  
 
@@ -112,7 +112,7 @@ Sat Nov 22 10:31:25 2008  Hidetoshi NAGAI  
 
 2005-11-19  Hidetoshi NAGAI  
 
-	* sample/tkextlib/treectrl/demo.rb: remove dependency on Ruby's 
+	* sample/tkextlib/treectrl/demo.rb: remove dependency on Ruby's
 	  version (1.8 or 1.9).
 
 2005-10-23  Hidetoshi NAGAI  
@@ -375,7 +375,7 @@ Sat Nov 22 10:31:25 2008  Hidetoshi NAGAI  
 	* lib/tkextlib/iwidgets/scrolledtext.rb: ditto.
 
 	* lib/tkextlib/iwidgets/scrolledcanvas.rb: bug fix on
-	  TkCanvas#delete when given non-TkcItem arguments. 
+	  TkCanvas#delete when given non-TkcItem arguments.
 
 2005-05-10  Hidetoshi NAGAI  
 
@@ -576,7 +576,7 @@ Sat Nov 22 10:31:25 2008  Hidetoshi NAGAI  
 	* lib/tkextlib/blt/component.rb: bug fix on treatment of
 	  component objects.
 
-	* sample/tkextlib/blt/graph6.rb: a new sample script. 
+	* sample/tkextlib/blt/graph6.rb: a new sample script.
 
 2005-03-31  ocean  
 
@@ -592,7 +592,7 @@ Sat Nov 22 10:31:25 2008  Hidetoshi NAGAI  
 	* sample/tkextlib/iwidgets/sample/hierarchy.rb: show basename
 	  only [ruby-dev:25970]
 
-	* sample/tkextlib/treectrl/demo.rb: add check for existence of 
+	* sample/tkextlib/treectrl/demo.rb: add check for existence of
 	  'backgroundimage' option.
 
 	* sample/tkextlib/treectrl/bitmaps.rb: ditto.
@@ -626,7 +626,7 @@ Sat Nov 22 10:31:25 2008  Hidetoshi NAGAI  
 2005-03-29  Hidetoshi NAGAI  
 
 	* lib/tkextlib/blt/component.rb: cannot create elements except
-	  default type of element. 
+	  default type of element.
 
 	* lib/tkextlib/blt/barchart.rb: ditto.
 
@@ -661,7 +661,7 @@ Sat Nov 22 10:31:25 2008  Hidetoshi NAGAI  
 	* lib/tkextlib/blt/component.rb: proper call on xaxis_* and so on.
 
 	* lib/tkextlib/blt/htext.rb: add TkVariable object to access
-          special Tcl variables. 
+          special Tcl variables.
 
 	* lib/tkextlib/treectrl/tktreectrl.rb: typo fix.
 
@@ -923,8 +923,8 @@ Sat Nov 22 10:31:25 2008  Hidetoshi NAGAI  
 	* use Tk::ValidateConfigure.__def_validcmd() method
           (new function to define validatecommand methods easier)
 
-	* tcllib.rb : avoid the loading trouble that almost all part of 
-	  the extension is not available when some libraries are invalid. 
+	* tcllib.rb : avoid the loading trouble that almost all part of
+	  the extension is not available when some libraries are invalid.
 
 2004-07-09  Hidetoshi NAGAI  
 
@@ -942,7 +942,7 @@ Sat Nov 22 10:31:25 2008  Hidetoshi NAGAI  
 
 	* add ICONS extension demo
 
-	* many bug fix 
+	* many bug fix
 
 2004-07-01  Hidetoshi NAGAI  
 
diff --git a/ext/tk/MANUAL_tcltklib.eng b/ext/tk/MANUAL_tcltklib.eng
index c139947da4..8ba202c06f 100644
--- a/ext/tk/MANUAL_tcltklib.eng
+++ b/ext/tk/MANUAL_tcltklib.eng
@@ -3,16 +3,16 @@
 
 This document discribes about the 'tcltklib' library. Although there
 is the 'tcltk' library (tcltk.rb) under this directory, no description
-in this document (because it is not maintained recently). 
+in this document (because it is not maintained recently).
 
 ==============================================================
 module TclTklib
-  : Defines methods to do operations which are independed on 
+  : Defines methods to do operations which are independed on
   : Tcl/Tk interpreters
 
   module TclTkLib::EventFlag
-    : Defines flags to define taget events on 'do_one_event' methos. 
-    : When to give, please use bit-operator (e.g. WINDOW | DONT_WAIT). 
+    : Defines flags to define taget events on 'do_one_event' methos.
+    : When to give, please use bit-operator (e.g. WINDOW | DONT_WAIT).
 
     [constants]
        NONE
@@ -30,29 +30,29 @@ module TclTklib
 
        IDLE
          : 'idle' operation (e.g. 're-draw'; the operations when the
-         : other kinds of events doesn't occur) is processed. 
+         : other kinds of events doesn't occur) is processed.
 
        ALL
-         : All kinds of events are processed. 
-         : Same to 'WINDOW | FILE | TIMER | IDLE'. 
+         : All kinds of events are processed.
+         : Same to 'WINDOW | FILE | TIMER | IDLE'.
 
        DONT_WAIT
-         : Without this flag, 'do_one_event' waits the occurence of 
-         : a target event. With this flag, doesn't wait and returns 
-         : false if there is no target event for processing. 
+         : Without this flag, 'do_one_event' waits the occurence of
+         : a target event. With this flag, doesn't wait and returns
+         : false if there is no target event for processing.
 
   module TclTkLib::VarAccessFlag
-    : Defines flags to give '_get_variable' and so on. When to give, 
-    : please use bit-operator (e.g. GLOBAL_ONLY | LEAVE_ERR_MSG ). 
+    : Defines flags to give '_get_variable' and so on. When to give,
+    : please use bit-operator (e.g. GLOBAL_ONLY | LEAVE_ERR_MSG ).
 
     [constants]
        NONE
-         : Is 0. It means "set no flag". 
+         : Is 0. It means "set no flag".
 
        GLOBAL_ONLY
          : (site Tcl/Tk's man page)
-         : Under normal circumstances the procedures look up 
-         : variables as follows: If a procedure call is active 
+         : Under normal circumstances the procedures look up
+         : variables as follows: If a procedure call is active
          : in interp, a variable is looked up at the current
          : level of procedure call. Otherwise, a variable is
          : looked up first in the current namespace,  then  in
@@ -63,9 +63,9 @@ module TclTklib
          : given, GLOBAL_ONLY is ignored.
          :
          :  *** ATTENTION ***
-         : Tcl7.6 doesn't have namespaces. So NAMESPACE_ONLY 
+         : Tcl7.6 doesn't have namespaces. So NAMESPACE_ONLY
          : is defined as 0, and then GLOBAL_ONLY is available
-         : even if flag is (GLOBAL_ONLY | NAMESPACE_ONLY). 
+         : even if flag is (GLOBAL_ONLY | NAMESPACE_ONLY).
 
        NAMESPACE_ONLY
          : (site Tcl/Tk's man page)
@@ -80,16 +80,16 @@ module TclTklib
          : active.
          :
          :  *** ATTENTION ***
-         : Tcl7.6 doesn't have namespaces. So NAMESPACE_ONLY 
+         : Tcl7.6 doesn't have namespaces. So NAMESPACE_ONLY
          : is defined as 0.
 
        LEAVE_ERR_MSG
          : (site Tcl/Tk's man page)
-         : If an error is returned and this bit is set in flags, 
+         : If an error is returned and this bit is set in flags,
          : then an error message will be left in the interpreter's
          : result, where it can be retrieved with Tcl_GetObjResult
-         : or Tcl_GetStringResult. If this flag bit isn't set then 
-         : no error message is left and the interpreter's result 
+         : or Tcl_GetStringResult. If this flag bit isn't set then
+         : no error message is left and the interpreter's result
          : will not be modified.
 
        APPEND_VALUE
@@ -104,26 +104,26 @@ module TclTklib
          : valid Tcl list element before setting (or appending
          : to) the variable. A separator space is appended before
          : the new list element unless the list element is going
-         : to be the first element in a list or sublist (i.e. the 
-         : variable's current value is empty, or contains the 
+         : to be the first element in a list or sublist (i.e. the
+         : variable's current value is empty, or contains the
          : single character ``{'', or ends  in `` }'').
 
        PARSE_VARNAME
          : (site Tcl/Tk's man page)
-         : If this bit is set when calling _set_variable and so 
+         : If this bit is set when calling _set_variable and so
          : on, var_name argument may contain both an array and an
-         : element name: if the name contains an open parenthesis 
-         : and ends with a close parenthesis, then the value 
-         : between the parentheses is treated as an element name 
+         : element name: if the name contains an open parenthesis
+         : and ends with a close parenthesis, then the value
+         : between the parentheses is treated as an element name
          : (which can have any string value) and the characters
-         : before  the first open parenthesis are treated as the 
+         : before  the first open parenthesis are treated as the
          : name of an array variable. If the flag PARSE_VARNAME
-         : is given, index_name argument should be 'nil' since the 
+         : is given, index_name argument should be 'nil' since the
          : array and element names are taken from var_name.
          :
          :  *** ATTENTION ***
-         : Tcl7.6 doesn't have this flag. So PARSE_VARNAME is 
-         : defined as 0. 
+         : Tcl7.6 doesn't have this flag. So PARSE_VARNAME is
+         : defined as 0.
 
   module TclTkLib::RELEASE_TYPE
     : Defines release type number of Tcl/Tk
@@ -139,105 +139,105 @@ module TclTklib
 
   [module methods]
      get_version()
-        : return an array of major, minor, release-type number, 
+        : return an array of major, minor, release-type number,
         : and patchlevel of current Tcl/Tk library.
 
      mainloop(check_root = true)
-       : Starts the eventloop. If 'check_root' is true, this method 
-       : doesn't return when a root widget exists. 
+       : Starts the eventloop. If 'check_root' is true, this method
+       : doesn't return when a root widget exists.
        : If 'check_root' is false, doen't return by the other
        : reasons than exceptions.
 
     mainloop_thread?
-       : Returns whether the current thread executes the eventloop. 
-       : If true, the eventloop is working on the current thread. 
+       : Returns whether the current thread executes the eventloop.
+       : If true, the eventloop is working on the current thread.
        : If no eventloop is working, this method returns nil.
        : And if the other thread executes the eventloop, returns false.
-       : 
+       :
        :  *** ATTENTION ***
-       : When this methods returns false, it is dangerous to call a Tk 
+       : When this methods returns false, it is dangerous to call a Tk
        : interpreter directly.
 
     mainloop_watchdog(check_root = true)
-       : On the normal eventloop, some kinds of callback operations 
+       : On the normal eventloop, some kinds of callback operations
        : cause deadlock. To avoid some of such deadlocks, this
        : method starts an eventloop and a watchdog-thread.
 
-    do_one_event(flag = TclTkLib::EventFlag::ALL | 
+    do_one_event(flag = TclTkLib::EventFlag::ALL |
                           TclTkLib::EventFlag::DONT_WAIT)
-       : Do one event for processing. When processed an event, 
-       : returns true. 
+       : Do one event for processing. When processed an event,
+       : returns true.
        : If NOT set DONT_WAIT flag, this method waits occurrence of
-       : a target event. 
-       : If set DONT_WAIT flag and no event for processing, returns 
-       : false immediately. 
-       : If $SAFE >= 4,  or $SAFE >= 1 and the flag is tainted, 
+       : a target event.
+       : If set DONT_WAIT flag and no event for processing, returns
+       : false immediately.
+       : If $SAFE >= 4,  or $SAFE >= 1 and the flag is tainted,
        : force to set DONT_WAIT flag.
 
     set_eventloop_tick(timer_tick)
        : Define the interval of thread-switching with an integer
-       : value of mili-seconds. 
-       : Default timer_tick is 0. It means that thread-switching 
-       : is based on the count of processed events. 
+       : value of mili-seconds.
+       : Default timer_tick is 0. It means that thread-switching
+       : is based on the count of processed events.
        : ( see 'set_eventloop_weight' method )
-       : However, if the eventloop thread is the only thread, 
-       : timer_tick cannt be set to 0. If 0, then is set to 100 ms 
-       : automatically (see NO_THREAD_INTERRUPT_TIME on tcltklib.c). 
-       : On $SAFE >= 4, cannot call this method. 
+       : However, if the eventloop thread is the only thread,
+       : timer_tick cannt be set to 0. If 0, then is set to 100 ms
+       : automatically (see NO_THREAD_INTERRUPT_TIME on tcltklib.c).
+       : On $SAFE >= 4, cannot call this method.
 
     get_eventloop_tick
        : Get current value of 'timer_tick'
 
     set_no_event_wait(no_event_wait)
-       : Define sleeping time of the eventloop when two or more 
-       : thread are running and there is no event for processing. 
+       : Define sleeping time of the eventloop when two or more
+       : thread are running and there is no event for processing.
        : Default value is 20 (ms).
-       : If the eventloop thread is the only thread, this value is 
-       : invalid. 
-       : On $SAFE >= 4, cannot call this method. 
+       : If the eventloop thread is the only thread, this value is
+       : invalid.
+       : On $SAFE >= 4, cannot call this method.
 
     get_no_event_wait
        : Get current value of 'no_event_wait'.
 
     set_eventloop_weight(loop_max, no_event_tick)
-       : Define the weight parameters for the eventloop thread. 
-       : That is invalid when the eventloop is the only thread. 
-       : 'loop_max' is the max events for thread-switching. 
-       : 'no_event_tick' is the increment value of the event count 
+       : Define the weight parameters for the eventloop thread.
+       : That is invalid when the eventloop is the only thread.
+       : 'loop_max' is the max events for thread-switching.
+       : 'no_event_tick' is the increment value of the event count
        : when no event for processing (And then, the eventloop thead
-       : sleeps 'no_event_wait' mili-seconds). 
-       : 'loop_max == 800' and 'no_event_tick == 10' are defalut. 
-       : On $SAFE >= 4, cannot call this method. 
+       : sleeps 'no_event_wait' mili-seconds).
+       : 'loop_max == 800' and 'no_event_tick == 10' are defalut.
+       : On $SAFE >= 4, cannot call this method.
 
     get_eventloop_weight
        : Get current values of 'loop_max' and 'no_event_tick'.
 
     mainloop_abort_on_exception=(bool)
-       : Define whether the eventloop stops on exception or not. 
-       : If true (default value), stops on exception. 
+       : Define whether the eventloop stops on exception or not.
+       : If true (default value), stops on exception.
        : If false, show a warinig message but ignore the exception.
-       : If nil, no warning message and ignore the excepsion. 
+       : If nil, no warning message and ignore the excepsion.
        : This parameter is sometimes useful when multiple Tk
-       : interpreters are working. Because the only one eventloop 
+       : interpreters are working. Because the only one eventloop
        : admins all Tk interpreters, sometimes exception on a
        : interpreter kills the eventloop thread. Even if such
-       : situation, when abort_on_exception == false or nil, 
-       : the eventloop ignores the exception and continue to working. 
-       : On $SAFE >= 4, cannot call this method. 
+       : situation, when abort_on_exception == false or nil,
+       : the eventloop ignores the exception and continue to working.
+       : On $SAFE >= 4, cannot call this method.
 
     mainloop_abort_on_exception
-       : Get current status of that. 
+       : Get current status of that.
 
     num_of_mainwindows
-       : Returns the number of main-windows (root-widget). 
-       : Because there is only one main-window for one Tk interpreter, 
-       : the value is same to the number of interpreters which has 
+       : Returns the number of main-windows (root-widget).
+       : Because there is only one main-window for one Tk interpreter,
+       : the value is same to the number of interpreters which has
        : available Tk functions.
 
     _merge_tklist(str, str, ... )
-       : Get a Tcl's list string from arguments with a Tcl/Tk's 
-       : library function. Each arguemnt is converted to a valid 
-       : Tcl list element. 
+       : Get a Tcl's list string from arguments with a Tcl/Tk's
+       : library function. Each arguemnt is converted to a valid
+       : Tcl list element.
 
     _conv_listelement(str)
        : Convert the argument to a valid Tcl list element with
@@ -252,7 +252,7 @@ module TclTklib
     _subst_Tcl_backslash(str)
        : Substitute backslash sequence with Tcl's rule (include \uhhhh;
        : give a sixteen-bit hexadecimal value for Unicode character).
-       : _subst_Tcl_backslash method parses all backslash sequence. 
+       : _subst_Tcl_backslash method parses all backslash sequence.
        : _subst_UTF_backslash method parses \uhhhh only.
 
     encoding_system
@@ -268,90 +268,90 @@ module TclTklib
 class TclTkIp
   [class methods]
     new(ip_name=nil, options='')
-       : Generate an instance of TclTkIp class. 
+       : Generate an instance of TclTkIp class.
        : If 'ip_name' argument is given as a string, it is the name
        : of the Tk interpreter which is shown by 'winfo interps'
-       : command. 
-       : 'options' argument accepts a string which is the command 
-       : line options of wish; such as '-geometry' or '-use'. 
-       : The information is used to generate the root widget of the 
-       : interpreter. 
+       : command.
+       : 'options' argument accepts a string which is the command
+       : line options of wish; such as '-geometry' or '-use'.
+       : The information is used to generate the root widget of the
+       : interpreter.
        : ( e.g. TclTkIp.new('FOO', '-geometry 500x200 -use 0x2200009') )
        : If is given nil or falsr for the 'option' argument, generates
-       : the Tcl interpreter without Tk library. Then the interpreter 
+       : the Tcl interpreter without Tk library. Then the interpreter
        : doesn't need GUI environment. Therefore, even if a window
        : system doesn't exist or cannot be used, Ruby can control the
-       : Tcl interpreter and the extention libraries loaded on the 
-       : interpreter. 
+       : Tcl interpreter and the extention libraries loaded on the
+       : interpreter.
 
   [instance methods]
     create_slave(name, safe=false)
-       : Create a slave interpreter. 
+       : Create a slave interpreter.
        : The parent of the interpreter is the receiver of this method.
-       : The name of the slave interpreter is given by 'name' argument. 
+       : The name of the slave interpreter is given by 'name' argument.
        : The 'safe' argument decides whether the slave interpreter is
        : created as a safe interpreter or not. If true, create a safe
        : interpreter. Default is false. However, if the parent
        : interpreter is a safe interpreter, the created interpreter is
-       : a safe interpreter (ignore 'safe' argument value). 
-       : If $SAFE >= 4, can create a safe interpreter only. 
+       : a safe interpreter (ignore 'safe' argument value).
+       : If $SAFE >= 4, can create a safe interpreter only.
 
     make_safe
        : Make the interpreter to the safe interpreter, and returns
        : self. If fail, raise RuntimeError.
 
     safe?
-       : Check whether the interpreter is the safe interpreter. 
-       : If is the safe interpreter, returns true. 
+       : Check whether the interpreter is the safe interpreter.
+       : If is the safe interpreter, returns true.
 
     allow_ruby_exit?
-       : Return the mode whether 'exit' function of ruby or 'exit' 
-       : command of Tcl/Tk can quit the ruby process or not on the 
-       : interpreter. If false, such a command quit the interpreter 
+       : Return the mode whether 'exit' function of ruby or 'exit'
+       : command of Tcl/Tk can quit the ruby process or not on the
+       : interpreter. If false, such a command quit the interpreter
        : only.
-       : The default value for a master interpreter is true, and 
+       : The default value for a master interpreter is true, and
        : for a slave interpreter is false.
 
     allow_ruby_exit=(mode)
        : Change the mode of 'allow_ruby_exit?'.
-       : If $SAFE >= 4 or the interpreter is a "safe" interpreter, 
-       : this is not permitted (raise an exception). 
+       : If $SAFE >= 4 or the interpreter is a "safe" interpreter,
+       : this is not permitted (raise an exception).
 
     delete
-       : Delete the interpreter. 
+       : Delete the interpreter.
        : The deleted interpreter doesn't accept command and then
        : raise an exception.
 
     deleted?
        : Check whether the interpreter is already deleted.
-       : If deleted, returns true. 
+       : If deleted, returns true.
 
     has_mainwindow?
        : Check whether the interpreter has a MainWindow (root widget).
-       : If has, returns true. If doesn't, returns false.  
-       : If IP is already deleted, returns nil. 
+       : If has, returns true. If doesn't, returns false.
+       : If IP is already deleted, returns nil.
 
     restart
-       : Restart Tk part of the interpreter. 
+       : Restart Tk part of the interpreter.
        : Use this when you need Tk functions after destroying the
-       : root widget. 
-       : On $SAFE >= 4, cannot call this method. 
+       : root widget.
+       : On $SAFE >= 4, cannot call this method.
 
     _eval(str)
     _invoke(*args)
-       : Estimates the arguments as a command on the Tk interpreter. 
+       : Estimates the arguments as a command on the Tk interpreter.
        : The argument of _eval is a script of Tcl/Tk.
        : Each argument of _invoke is a token of one command line of
-       : Tcl/Tk. 
+       : Tcl/Tk.
        : Because the operation of _invoke doesn't through the
        : command line parser of Tk interpreter, the cost of
        : estimation is smaller than _eval. However, auto_load
-       : mechanism of the Tk interpreter doesn't work on _invoke. 
+       : mechanism of the Tk interpreter doesn't work on _invoke.
        : So _invoke can call only the command which already
-       : registered on the interpreter by 'load' command and so on. 
-       : On _eval command, auto_load mechanism words. So if succeed 
+       : registered on the interpreter by 'load' command and so on.
+       : On _eval command, auto_load mechanism words. So if succeed
        : to _eval and regist the command once, after that, the
-       : command can be called by _invoke. 
+       : command can be called by _invoke.
 
     _cancel_eval(str)
     _cancel_eval_unwind(str)
@@ -365,46 +365,46 @@ class TclTkIp
 
     _thread_vwait(var_name)
     _thread_tkwait(mode, target)
-       : 'vwait' or 'tkwait' with thread support. 
-       : The difference from normal 'vwait' or 'tkwait' command is 
+       : 'vwait' or 'tkwait' with thread support.
+       : The difference from normal 'vwait' or 'tkwait' command is
        : doing independent wait from the vwait stack when they are
        : called on the other thread than the eventloop thread.
        : In the case of Tcl/Tk's vwait / tkwait, if 2nd vwait /
-       : tkwait is called on waiting for 1st vwait / tkwait, 
+       : tkwait is called on waiting for 1st vwait / tkwait,
        : returns the order of [2nd]->[1st] regardless of the order
-       : of when the wait condition was fulfilled.  
+       : of when the wait condition was fulfilled.
        : If _thread_vwait / _thread_tkwait is called on the
        : eventloop thread, there is no difference from vwait /
        : tkwait. But if called on the other thread than the
-       : eventloop, stops the thread.  And when the wait condition 
+       : eventloop, stops the thread.  And when the wait condition
        : is fulfilled, the thread restarts. The meaning of
-       : "independent from the vwait stack" is that the timing of 
-       : restarting is independent from the waiting status of the 
-       : other threads. That is, even if the eventloop thread is 
-       : waiting by vwait and is not fulfilled the condition, 
+       : "independent from the vwait stack" is that the timing of
+       : restarting is independent from the waiting status of the
+       : other threads. That is, even if the eventloop thread is
+       : waiting by vwait and is not fulfilled the condition,
        : _thread_vwait completes the waiting when its waiting
        : condition is fulfilled and the thread which stopped by
-       : _thread_vwait can continue the operation. 
+       : _thread_vwait can continue the operation.
 
     _return_value
-       : Get the last result value on the interpreter. 
+       : Get the last result value on the interpreter.
 
     _get_variable(var_name, flag)
     _get_variable2(var_name, index_name, flag)
-       : Get the current value of a variable. If specified a 
-       : index_name (see also the PARSE_VARNAME flag), get the 
-       : value of the index_name element. 
+       : Get the current value of a variable. If specified a
+       : index_name (see also the PARSE_VARNAME flag), get the
+       : value of the index_name element.
 
     _set_variable(var_name, value, flag)
     _set_variable2(var_name, index_name, value, flag)
-       : Create or modify a variable. If specified a index_name 
-       : (see also the PARSE_VARNAME flag), create or modify the 
-       : index_name element. 
+       : Create or modify a variable. If specified a index_name
+       : (see also the PARSE_VARNAME flag), create or modify the
+       : index_name element.
 
     _unset_variable(var_name)
     _unset_variable2(var_name, index_name)
-       : Remove a variable. If specified a index_name (see also 
-       : the PARSE_VARNAME flag), remove the index_name element. 
+       : Remove a variable. If specified a index_name (see also
+       : the PARSE_VARNAME flag), remove the index_name element.
 
     _get_global_var(var_name)
     _get_global_var2(var_name, index_name)
@@ -416,13 +416,13 @@ class TclTkIp
        : (GLOBAL_ONLY | LEAVE_ERR_MSG).
 
     _split_tklist(str)
-       : Split the argument with Tcl/Tk's library function and 
+       : Split the argument with Tcl/Tk's library function and
        : get an array as a list of Tcl list elements.
 
     _merge_tklist(str, str, ... )
-       : Get a Tcl's list string from arguments with a Tcl/Tk's 
-       : library function. Each arguemnt is converted to a valid 
-       : Tcl list element. 
+       : Get a Tcl's list string from arguments with a Tcl/Tk's
+       : library function. Each arguemnt is converted to a valid
+       : Tcl list element.
 
     _conv_listelement(str)
        : Convert the argument to a valid Tcl list element with
@@ -431,14 +431,14 @@ class TclTkIp
     mainloop
     mainloop_watchdog
        : If on the slave interpreter, never start an eventloop and
-       : returns nil. 
+       : returns nil.
        : With the exception that, same to the TclTkLib module method
-       : with the same name. 
+       : with the same name.
 
     do_one_event
        : With the exception that the argument is forced to set
        : DONT_WAIT flag on the slave interpreter, same to
-       : TclTkLib#do_one_event. 
+       : TclTkLib#do_one_event.
 
     set_eventloop_tick
     get_eventloop_tick
@@ -450,24 +450,24 @@ class TclTkIp
     mainloop_abort_on_exception=
        : With the exception that it is ignored to set value on the
        : slave interpreter, same to the TclTkLib module method with
-       : the same name. 
+       : the same name.
 
     encoding_table
-       : For Ruby m17n. Return encoding relation table between Ruby's 
+       : For Ruby m17n. Return encoding relation table between Ruby's
        : Encoding object and Tcl's encoding name.
 
 class TkCallbackBreak < StandardError
 class TkCallbackContinue < StandardError
-  : They are exception classes to break or continue the Tk callback 
-  : operation. 
-  : If raise TkCallbackBreak on the callback procedure, Ruby returns 
-  : 'break' code to Tk interpreter (Then the Tk interpreter will 
-  : break the operation for the current event). 
+  : They are exception classes to break or continue the Tk callback
+  : operation.
+  : If raise TkCallbackBreak on the callback procedure, Ruby returns
+  : 'break' code to Tk interpreter (Then the Tk interpreter will
+  : break the operation for the current event).
   : If raise TkCallbackContinue, returns 'continue' code (Then the Tk
-  : interpreter will break the operateion for the current bindtag and 
+  : interpreter will break the operateion for the current bindtag and
   : starts the operation for the next buindtag for the current event).
-  : However, current tcltklib supports Ruby's 'break' and 'next' to 
-  : get the same effect. That is, those classes are obsolete. Those 
-  : exist for backward compatibility. 
+  : However, current tcltklib supports Ruby's 'break' and 'next' to
+  : get the same effect. That is, those classes are obsolete. Those
+  : exist for backward compatibility.
 
 (eof)
diff --git a/ext/tk/MANUAL_tcltklib.eucj b/ext/tk/MANUAL_tcltklib.eucj
index 26b39f7943..1ff5dddde4 100644
--- a/ext/tk/MANUAL_tcltklib.eucj
+++ b/ext/tk/MANUAL_tcltklib.eucj
@@ -41,7 +41,7 @@ tcl/tk 
 
 ､ｳ､ﾎ､隍ｦ､ﾊｹﾍ､ｨ､ﾋｴ､ﾅ､ｭ, tcltk ･鬣､･ﾖ･鬣熙ﾇ､ﾏ, tcl/tk ､ﾎ･ｳ･ﾞ･･ﾉ､茹ｦ･｣
 ･ｸ･ｧ･ﾃ･ﾈ､ﾋﾂﾐｱ､ｹ､･ｪ･ﾖ･ｸ･ｧ･ｯ･ﾈ､ﾀｸﾀｮ､ｷ､ﾞ､ｹ. ･ｪ･ﾖ･ｸ･ｧ･ｯ･ﾈ､ﾋﾂﾐ､ｹ､･皈ｽ･ﾃ
-･ﾉｸﾆ､ﾓｽﾐ､ｷ､ﾏ, e() ･皈ｽ･ﾃ･ﾉ､ﾋ､隍ｼﾂｹﾔ､ｵ､､ﾞ､ｹ. ﾎ网ｨ､ﾐ, tcl/tk ､ﾎ info 
+･ﾉｸﾆ､ﾓｽﾐ､ｷ､ﾏ, e() ･皈ｽ･ﾃ･ﾉ､ﾋ､隍ｼﾂｹﾔ､ｵ､､ﾞ､ｹ. ﾎ网ｨ､ﾐ, tcl/tk ､ﾎ info
 ･ｳ･ﾞ･･ﾉ､ﾋﾂﾐｱ､ｹ､ ruby ､ﾎ･ｪ･ﾖ･ｸ･ｧ･ｯ･ﾈ､ｬ info ､ﾈ､､､ｦﾌｾﾁｰ､ﾇ､｢､､ﾈ､ｹ､､ﾈ,
 tcl/tk ､ﾎ
 	info commands
@@ -53,7 +53,7 @@ tcl/tk 
 	. configure -height 300 -width 300
 ､ﾈ､､､ｦ tcl/tk ､ﾎﾌｿﾎ皃ﾏ
 	root.e("configure -height 300 -width 300")
-､ﾈｵｭｽﾒ､ｵ､､ﾞ､ｹ. ､ｳ､ﾎ､隍ｦ､ﾊｵｭｽﾒ､ﾏ, ｸｫ､ｿ､皃ﾋ､ﾏﾈ､ｷ､ｯ､｢､熙ﾞ､ｻ､､ｬ, ､ｽ､ｷ､ﾆ, 
+､ﾈｵｭｽﾒ､ｵ､､ﾞ､ｹ. ､ｳ､ﾎ､隍ｦ､ﾊｵｭｽﾒ､ﾏ, ｸｫ､ｿ､皃ﾋ､ﾏﾈ､ｷ､ｯ､｢､熙ﾞ､ｻ､､ｬ, ､ｽ､ｷ､ﾆ,
 ･ｹ･ｯ･･ﾗ･ﾈ､ﾆﾉ､狒ﾍ､ﾋ､ﾏｸｫ､ﾅ､鬢､､ｫ､篥ﾎ､､ﾞ､ｻ､､ｬ, ｼﾂｺﾝ､ﾋ･ｹ･ｯ･･ﾗ･ﾈ､ｽ､､
 ､ﾆ､ﾟ､､ﾈﾍｽﾁﾛｳｰ､ﾋｼｷﾚ､ﾇ､ｹ.
 
@@ -173,7 +173,7 @@ require "tcltklib" 
 
       ﾄｿ  DONT_WAIT
          : ｽ靉ﾂﾐｾﾝ･､･ﾙ･･ﾈ､ｬﾂｸｺﾟ､ｷ､ﾊ､､ｾｹ遉ﾋ｡､･､･ﾙ･･ﾈﾈｯﾀｸ､ﾂﾔ､ｿ､ｺ
-         : ､ﾋ do_one_event ､ｽｪﾎｻ ( false ､ﾊﾖ､ｹ ) ､ｹ､ 
+         : ､ﾋ do_one_event ､ｽｪﾎｻ ( false ､ﾊﾖ､ｹ ) ､ｹ､
 
    ･筵ｸ･蝪ｼ･ TclTkLib::VarAccessFlag
       : _get_variable ､ﾊ､ﾉ､ﾇ､ﾎ･ﾕ･鬣ｰ､ｻﾘﾄ熙ｹ､､ｿ､皃ﾎ､筅ﾎ｡･･ﾕ･鬣ｰ､ﾋ
@@ -217,7 +217,7 @@ require "tcltklib" 
          : ｴﾞ､犂ﾄﾇｽﾀｭ､ｬ､｢､ (ｳｫ､ｭｳ邵ﾌ､ｴﾞ､ﾟ｡､ﾊﾄ､ｸｳ邵ﾌ､ﾇｽｪ､､) ､ｳ
          : ､ﾈ､ｼｨ､ｹ｡･､ｽ､ﾎｾｹ遑､ｳ邵ﾌ､ﾎｴﾖ､ｬﾍﾗﾁﾇﾌｾｻﾘﾄ遙､ｺﾇｽ鬢ﾎｳｫ､ｭｳ
          : ｸﾌ､ﾞ､ﾇ､ｬﾏ｢ﾁﾛﾇﾛﾎﾌｾ､ﾈ､ｷ､ﾆｰｷ､､､｡･_set_variable2 ､ﾊ､ﾉ､ﾇ
-         : ､ｳ､ﾎ･ﾕ･鬣ｰ､ｻﾘﾄ熙ｹ､ｾｹ遑､ﾏ｢ﾁﾛﾇﾛﾎﾌｾ､ﾈﾍﾗﾁﾇﾌｾ､ﾏ var_name 
+         : ､ｳ､ﾎ･ﾕ･鬣ｰ､ｻﾘﾄ熙ｹ､ｾｹ遑､ﾏ｢ﾁﾛﾇﾛﾎﾌｾ､ﾈﾍﾗﾁﾇﾌｾ､ﾏ var_name
          : ､ｫ､鯏ｽﾐ､ｵ､､､ﾏ､ｺ､ﾇ､｢､､ｫ､鬘､index_name ｰｿ､ﾏ nil ､ﾈ
          : ､ｻ､ﾍ､ﾐ､ﾊ､鬢ﾊ､､｡･
 
@@ -250,7 +250,7 @@ require "tcltklib" 
          : ･ｫ･･･ﾈ･ｹ･･ﾃ･ﾉ､ｬ･､･ﾙ･･ﾈ･｡ｼ･ﾗ､ｼﾂｹﾔ､ｷ､ﾆ､､､･ｹ･･ﾃ･ﾉ
          : ､ｫ､ﾉ､ｦ､ｫ､ﾊﾖ､ｹ｡･
          : ･､･ﾙ･･ﾈ･｡ｼ･ﾗ､ｼﾂｹﾔ､ｷ､ﾆ､､､･ｹ･･ﾃ･ﾉ､ﾇ､｢､､ﾐ true ､｡､
-         : ､ﾉ､ﾎ･ｹ･･ﾃ･ﾉ､ﾇ､筵､･ﾙ･･ﾈ･｡ｼ･ﾗ､ｬｼﾂｹﾔ､ｵ､､ﾆ､､､ﾊ､､ｾｹ遉ﾏ 
+         : ､ﾉ､ﾎ･ｹ･･ﾃ･ﾉ､ﾇ､筵､･ﾙ･･ﾈ･｡ｼ･ﾗ､ｬｼﾂｹﾔ､ｵ､､ﾆ､､､ﾊ､､ｾｹ遉ﾏ
          : nil ､｡､ﾂｾ､ﾎ･ｹ･･ﾃ･ﾉ､ﾇ･､･ﾙ･･ﾈ･｡ｼ･ﾗ､ｬｼﾂｹﾔ､ｵ､､ﾆ､､､ｾ
          : ｹ遉ﾏ false ､ﾊﾖ､ｹ｡･
          : false ､ﾎｺﾝ､ﾋ Tk ･､･･ｿ｡ｼ･ﾗ･･ｿ､ﾄｾﾀﾜｸﾆ､ﾖ､ﾎ､ﾏｴｸｱ､ﾇ､｢､｡･
@@ -264,7 +264,7 @@ require "tcltklib" 
          : ( ｴﾆｻ･ｹ･･ﾃ･ﾉ､ﾀｸﾀｮ､ｷ､ｿｸ螟ﾋ･､･ﾙ･･ﾈ･｡ｼ･ﾗ､ｼﾂｹﾔ､ｹ､ )｡･
          : ｰｿ､ﾎｰﾕﾌ｣､ﾏ mainloop ､ﾈﾆｱ､ｸ､ﾇ､｢､｡･
 
-      do_one_event(flag = TclTkLib::EventFlag::ALL | 
+      do_one_event(flag = TclTkLib::EventFlag::ALL |
                             TclTkLib::EventFlag::DONT_WAIT)
          : ｽ靉ﾂﾔ､ﾁ､ﾎ･､･ﾙ･･ﾈ 1 ｸﾄ､ｼﾂｹﾔ､ｹ､｡･
          : ･､･ﾙ･･ﾈ､ｽ靉､ｷ､ｿｾｹ遉ﾏ true ､ﾊﾖ､ｹ｡･
@@ -309,7 +309,7 @@ require "tcltklib" 
          : ｲﾔﾆｯ･ｹ･･ﾃ･ﾉ､ｬ･､･ﾙ･･ﾈ･｡ｼ･ﾗ､ﾀ､ｱ､ﾎｾｹ遉ﾋ､ﾏｰﾕﾌ｣､､ﾊ､ｵ､ﾊ､､｡･
          : ｰﾅﾙ､ﾎ･ｹ･･ﾃ･ﾉﾀﾚ､ﾂﾘ､ｨ､ﾎｴﾖ､ﾋｽ靉､ｹ､･､･ﾙ･･ﾈ､ﾎｺﾇﾂ鄙､ﾈ｡､
          : ｽ靉ﾂﾔ､ﾁ､ﾎ･､･ﾙ･･ﾈ､ｬﾂｸｺﾟ､ｷ､ﾊ､､ｺﾝ､ﾎｲﾃｻｻｿ､ﾈ､ﾀﾟﾄ熙ｹ､｡･
-         : ｽ靉ﾂﾔ､ﾁ･､･ﾙ･･ﾈ､ｬﾂｸｺﾟ､ｷ､ﾊ､､ｾｹ遉ﾏ no_event_wait ( see 
+         : ｽ靉ﾂﾔ､ﾁ･､･ﾙ･･ﾈ､ｬﾂｸｺﾟ､ｷ､ﾊ､､ｾｹ遉ﾏ no_event_wait ( see
          : set_no_event_wait ) ､ﾀ､ｱ､ﾎｴﾖ sleep ｾﾂﾖ､ﾋﾆ､｡･
          : ･ﾇ･ﾕ･ｩ･･ﾈ､ﾇ､ﾏ､ｽ､､ｾ､ 800 ｲ､ﾈ 10 ｲ｡､､ﾄ､ﾞ､遙､800 ｸﾄ､ﾎ･､
          : ･ﾙ･･ﾈ (･｢･､･ﾉ･･､･ﾙ･･ﾈ､ｴﾞ､) ､ｽ靉､ｹ､､ﾈ､ｫ｡､･､･ﾙ･･ﾈ
@@ -363,10 +363,10 @@ require "tcltklib" 
 
       _subst_UTF_backslash(str)
       _subst_Tcl_backslash(str)
-         : Tcl ､ﾎ･｡ｼ･､ﾇ･ﾐ･ﾃ･ｯ･ｹ･鬣ﾃ･ｷ･蠏ｭﾋ｡ ( \uhhhh ､ﾋ､隍 
+         : Tcl ､ﾎ･｡ｼ･､ﾇ･ﾐ･ﾃ･ｯ･ｹ･鬣ﾃ･ｷ･蠏ｭﾋ｡ ( \uhhhh ､ﾋ､隍
          : Unicode ﾊｸｻﾉｽｸｽ､ｴﾞ､ ) ､ｲﾀﾏ､ｹ､｡･
          : _subst_Tcl_backslash ､ﾏ､ｹ､ﾙ､ﾆ､ﾎ･ﾐ･ﾃ･ｯ･ｹ･鬣ﾃ･ｷ･蠏ｭﾋ｡､
-         : ﾃﾖ､ｭｴｹ､ｨ､､ﾎ､ﾋﾂﾐ､ｷ｡､_subst_UTF_backslash ､ﾏ \uhhhh 
+         : ﾃﾖ､ｭｴｹ､ｨ､､ﾎ､ﾋﾂﾐ､ｷ｡､_subst_UTF_backslash ､ﾏ \uhhhh
          : ､ﾋ､隍 Unicode ﾊｸｻﾉｽｸｽ､ﾀ､ｱ､ﾃﾖ､ｭｴｹ､ｨ､｡･
 
       encoding_system
@@ -402,7 +402,7 @@ require "tcltklib" 
 	 : safe ､ﾋ､ﾏﾀｸﾀｮ､ｹ､･､･･ｿ｡ｼ･ﾗ･･ｿ､ safe ･､･･ｿ｡ｼ･ﾗ･･ｿ､ﾈ､ｹ､
          : ､ｫ､ｻﾘﾄ熙ｹ､｡･･ﾇ･ﾕ･ｩ･･ﾈ､ﾏ false ､ﾈ､､､ｦ､ｳ､ﾈ､ﾋ､ﾊ､ﾃ､ﾆ､､､､ｬ｡､
          : ､ｿ､ﾈ､ｨﾌﾀｳﾎ､ﾋ false ､ｻﾘﾄ熙ｷ､ﾆ､､､ｿ､ﾈ､ｷ､ﾆ､筍､ｿﾆ､ﾈ､ﾊ､･､･･ｿ｡ｼ
-         : ･ﾗ･･ｿ､ｬ safe ･､･･ｿ｡ｼ･ﾗ･･ｿ､ﾇ､｢､､ﾐ｡､､ｽ､ﾎﾀﾟﾄ熙ｰ､ｭｷﾑ､､､ﾇ 
+         : ･ﾗ･･ｿ､ｬ safe ･､･･ｿ｡ｼ･ﾗ･･ｿ､ﾇ､｢､､ﾐ｡､､ｽ､ﾎﾀﾟﾄ熙ｰ､ｭｷﾑ､､､ﾇ
          : safe ･､･･ｿ｡ｼ･ﾗ･･ｿ､ﾈ､ｷ､ﾆﾀｸﾀｮ､ｵ､､｡･
          : $SAFE >= 4 ､ﾇ､ﾏ｡､safe ･､･･ｿ｡ｼ･ﾗ･･ｿｰﾊｳｰ､ﾎﾀｸﾀｮ､ｬｶﾘｻﾟ､ｵ､､｡･
 
@@ -416,7 +416,7 @@ require "tcltklib" 
          : safe ･､･･ｿ｡ｼ･ﾗ･･ｿ､ﾇ､｢､､ﾐ true ､ﾊﾖ､ｹ｡･
 
       allow_ruby_exit?
-         : ﾂﾐｾﾝ､ﾈ､ﾊ､･､･･ｿ｡ｼ･ﾗ･･ｿｾ螟ﾎﾉｾｲﾁ､ﾇ｡､ruby ､ﾎ exit ｴﾘｿ､ﾞ､ｿ､ﾏ 
+         : ﾂﾐｾﾝ､ﾈ､ﾊ､･､･･ｿ｡ｼ･ﾗ･･ｿｾ螟ﾎﾉｾｲﾁ､ﾇ｡､ruby ､ﾎ exit ｴﾘｿ､ﾞ､ｿ､ﾏ
          : Tcl/Tk ｾ螟ﾎ exit ･ｳ･ﾞ･･ﾉ､ﾋ､隍ﾃ､ﾆ ruby ｼｫﾂﾎ､ｽｪﾎｻ､ｵ､ｻ､､ｳ､ﾈ
          : ､ｵ､ｹ､ｫ､ﾉ､ｦ､ｫ､ﾊﾖ､ｹ｡･
 	 : ｵ､ｵ､ﾊ､､ｾｹ遉ﾏﾂﾐｾﾝ､ﾎ･､･･ｿ｡ｼ･ﾗ･･ｿ､ﾀ､ｱ､ｬｽｪﾎｻ､ｹ､｡･
@@ -500,7 +500,7 @@ require "tcltklib" 
       _get_variable(var_name, flag)
       _get_variable2(var_name, index_name, flag)
          : Tcl/Tk ｾ螟ﾎ var ､ﾈ､､､ｦﾊﾑｿﾌｾ､ﾎﾊﾑｿ､ﾎﾃﾍ､ﾊﾖ､ｹ｡･
-         : ､筅ｷ index_name ､ｬｻﾘﾄ (PARSE_VARNAME ･ﾕ･鬣ｰ､ﾎﾀ篶ﾀ､篏ｲｾﾈ) 
+         : ､筅ｷ index_name ､ｬｻﾘﾄ (PARSE_VARNAME ･ﾕ･鬣ｰ､ﾎﾀ篶ﾀ､篏ｲｾﾈ)
          : ､ｵ､､ｿｾｹ遉ﾏﾏ｢ﾁﾛﾇﾛﾎ var_name ､ﾎ index_name ､ﾎﾍﾗﾁﾇ､ﾊﾖ､ｹ｡･
          : flag ､ﾋ､ﾏﾊﾑｿ､ｸ｡ｺ､ｹ､ｺﾝ､ﾎｾｷ､ｻﾘﾄ熙ｹ､｡･flag ､ﾋﾍｿ､ｨ､
          : ﾃﾍ､ﾏ･筵ｸ･蝪ｼ･ TclTkLib::VarAccessFlag ､ｻｲｾﾈ､ｹ､､ｳ､ﾈ｡･
@@ -508,7 +508,7 @@ require "tcltklib" 
       _set_variable(var_name, value, flag)
       _set_variable2(var_name, index_name, value, flag)
          : Tcl/Tk ｾ螟ﾎ var ､ﾈ､､､ｦﾊﾑｿﾌｾ､ﾎﾊﾑｿ､ﾋﾃﾍ､ﾀﾟﾄ熙ｹ､｡･
-         : ､筅ｷ index_name ､ｬｻﾘﾄ (PARSE_VARNAME ･ﾕ･鬣ｰ､ﾎﾀ篶ﾀ､篏ｲｾﾈ) 
+         : ､筅ｷ index_name ､ｬｻﾘﾄ (PARSE_VARNAME ･ﾕ･鬣ｰ､ﾎﾀ篶ﾀ､篏ｲｾﾈ)
          : ､ｵ､､ｿｾｹ遉ﾏﾏ｢ﾁﾛﾇﾛﾎ var_name ､ﾎ index_name ､ﾎﾍﾗﾁﾇ､ﾀﾟﾄ
          : ､ｹ､｡･
          : flag ､ﾋ､ﾏﾊﾑｿ､ｸ｡ｺ､ｹ､ｺﾝ､ﾎｾｷ､ｻﾘﾄ熙ｹ､｡･flag ､ﾋﾍｿ､ｨ､
@@ -517,7 +517,7 @@ require "tcltklib" 
       _unset_variable(var_name)
       _unset_variable2(var_name, index_name)
          : Tcl/Tk ｾ螟ﾎ var_name ､ﾈ､､､ｦﾊﾑｿﾌｾ､ﾎﾊﾑｿ､ｾﾃｵ､ｹ､｡･
-         : ､筅ｷ index_name ､ｬｻﾘﾄ (PARSE_VARNAME ･ﾕ･鬣ｰ､ﾎﾀ篶ﾀ､篏ｲｾﾈ) 
+         : ､筅ｷ index_name ､ｬｻﾘﾄ (PARSE_VARNAME ･ﾕ･鬣ｰ､ﾎﾀ篶ﾀ､篏ｲｾﾈ)
          : ､ｵ､､ｿｾｹ遉ﾏﾏ｢ﾁﾛﾇﾛﾎ var_name ､ｫ､ index_name ､ﾎﾍﾗﾁﾇ､ﾀ､ｱ
          : ､ｾﾃｵ､ｹ､｡･
 
diff --git a/ext/tk/README.1st b/ext/tk/README.1st
index fce5b0242b..0179f4d526 100644
--- a/ext/tk/README.1st
+++ b/ext/tk/README.1st
@@ -1,15 +1,15 @@
-If you want to use Ruby/Tk (tk.rb and so on), you must have tcltklib.so 
-which is working correctly. When you have some troubles on compiling, 
-please read README.tcltklib and README.ActiveTcl. 
-Even if there is a tcltklib.so on your Ruby library directry, it will not 
-work without Tcl/Tk libraries (e.g. libtcl8.4.so) on your environment. 
-You must also check that your Tcl/Tk is installed properly. 
+If you want to use Ruby/Tk (tk.rb and so on), you must have tcltklib.so
+which is working correctly. When you have some troubles on compiling,
+please read README.tcltklib and README.ActiveTcl.
+Even if there is a tcltklib.so on your Ruby library directry, it will not
+work without Tcl/Tk libraries (e.g. libtcl8.4.so) on your environment.
+You must also check that your Tcl/Tk is installed properly.
 
 --------------------------------------------
  ( the following is written in EUC-JP )
 
 Ruby/Tk (tk.rb ､ﾊ､ﾉ) ､ｻﾈ､､､ｿ､､ｾｹ遉ﾋ､ﾏ｡､tcltklib.so ､ｬﾀｵ､ｷ､ｯﾆｰ､､､ﾆ､､､ﾊ
-､ｱ､､ﾐ､ﾊ､熙ﾞ､ｻ､｡･･ｳ･･ﾑ･､･ｻ､ﾋｲｿ､ｫﾌ萃熙ｬﾀｸ､ｸ､ｿｾｹ遉ﾏ｡､README.tcltklib 
+､ｱ､､ﾐ､ﾊ､熙ﾞ､ｻ､｡･･ｳ･･ﾑ･､･ｻ､ﾋｲｿ､ｫﾌ萃熙ｬﾀｸ､ｸ､ｿｾｹ遉ﾏ｡､README.tcltklib
 ､ README.ActiveTcl ､ｸｫ､ﾆ､ｯ､ﾀ､ｵ､､｡･
 ､ｿ､ﾈ､ｨ Ruby ､ﾎ･鬣､･ﾖ･鬣･ﾇ･｣･･ｯ･ﾈ･熙ﾋ tcltklib.so ､ｬﾂｸｺﾟ､ｷ､ﾆ､､､ｿ､ﾈ､ｷ､ﾆ
 ､筍､ｼﾂｹﾔｴﾄｶｭ､ﾋ Tcl/Tk ･鬣､･ﾖ･鬣 (libtcl8.4.so ､ﾊ､ﾉ) ､ｬ､ﾊ､ｱ､､ﾐｵ｡ﾇｽ､ｷ､ﾞ
diff --git a/ext/tk/README.ActiveTcl b/ext/tk/README.ActiveTcl
index c0f9ef8fe4..b7f023c91b 100644
--- a/ext/tk/README.ActiveTcl
+++ b/ext/tk/README.ActiveTcl
@@ -1,4 +1,4 @@
-ActiveTcl is ActiveState's quality-assured distribution of Tcl. 
+ActiveTcl is ActiveState's quality-assured distribution of Tcl.
 
 # see 
 #     
@@ -12,11 +12,11 @@ use --without-ActiveTcl option.
 When "extconf.rb" fails to find your ActiveTcl libraries, please try
 the followings.
 
-If you want to use ActiveTcl binary package as the Tcl/Tk libraries, 
+If you want to use ActiveTcl binary package as the Tcl/Tk libraries,
 please use the following configure options.
 
    --with-ActiveTcl=
-     ( When without argument; no ; only '--with-ActiveTcl', 
+     ( When without argument; no ; only '--with-ActiveTcl',
        it same to '--with-ActiveTcl=/opt/ActiveTcl*/lib' )
 
    --with-tcl-dir=
@@ -28,7 +28,7 @@ And use the followings if you need.
    --with-tklib=
    --enable-tcltk-stubs
 
-For example, when you install ActiveTcl-8.4.x to '/usr/local/ActiveTcl', 
+For example, when you install ActiveTcl-8.4.x to '/usr/local/ActiveTcl',
 
    configure --with-tcl-dir=/usr/local/ActiveTcl/  \
              --with-tk-dir=/usr/local/ActiveTcl/   \
@@ -36,17 +36,17 @@ For example, when you install ActiveTcl-8.4.x to '/usr/local/ActiveTcl',
              --with-tklib=tkstub8.4                \
              --enable-tcltk-stubs
 
-It depends on your environment that you have to add the directory of 
-ActiveTcl's libraries to your library path when execute Ruby/Tk. 
-One of the way is to add entries to TCLLIBPATH environment variable, 
+It depends on your environment that you have to add the directory of
+ActiveTcl's libraries to your library path when execute Ruby/Tk.
+One of the way is to add entries to TCLLIBPATH environment variable,
 and one of the others add to LD_LIBRARY_PATH environment variable
 
-Probably, using TCLLIBPATH is better. The value is appended at the 
-head of Tcl's 'auto_path' variable. You can see the value of the 
+Probably, using TCLLIBPATH is better. The value is appended at the
+head of Tcl's 'auto_path' variable. You can see the value of the
 variable by using 'Tk::AUTO_PATH.value' or 'Tk::AUTO_PATH.list'.
 
-For example, on Linux, one of the ways is to use LD_LIBRARY_PATH 
-environment variable. 
+For example, on Linux, one of the ways is to use LD_LIBRARY_PATH
+environment variable.
 -------------------------------------------------------------------------
  [bash]$ LD_LIBRARY_PATH=/usr/local/ActiveTcl/lib:$LD_LIBRARY_PATH \
          ruby your-Ruby/Tk-script
@@ -57,6 +57,6 @@ Based on it, the Tcl interpreter changes auto_path variable's value.
 
 Then, you'll be able to use Tcl/Tk extension libraries included in the
 ActiveTcl package (e.g. call TkPackage.require('BWidget'), and then,
-use functions/widgets of BWidget extention). 
+use functions/widgets of BWidget extention).
 
                                   Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
diff --git a/ext/tk/README.fork b/ext/tk/README.fork
index 707d78fc12..c58d75883b 100644
--- a/ext/tk/README.fork
+++ b/ext/tk/README.fork
@@ -1,13 +1,13 @@
 Ruby/Tk does NOT support forking the process on which Tk interpreter
-is running (unless NEVER control Tk interpreter under the forked child 
-process). In the library 'tk.rb', a Tk interpreter is initialized. 
+is running (unless NEVER control Tk interpreter under the forked child
+process). In the library 'tk.rb', a Tk interpreter is initialized.
 Therefore, if you want running Tk under a child process, please call
-"require 'tk'" in the child process. 
+"require 'tk'" in the child process.
 
-# If do fork and exec() on the child process, you can 
-# control Ruby/Tk interpreter on the child process by 'send' command 
-# of Tcl/Tk. About this, please see Tk.appsend and Tk.rb_appsend, or 
-# 'remote-tk.rb' and the sample 'sample/remote-ip_sample.rb'. 
+# If do fork and exec() on the child process, you can
+# control Ruby/Tk interpreter on the child process by 'send' command
+# of Tcl/Tk. About this, please see Tk.appsend and Tk.rb_appsend, or
+# 'remote-tk.rb' and the sample 'sample/remote-ip_sample.rb'.
 
 For example, the following sample1 will NOT work, and sample2 will
 work properly.
diff --git a/ext/tk/README.macosx-aqua b/ext/tk/README.macosx-aqua
index 25a8ed827c..15630727ec 100644
--- a/ext/tk/README.macosx-aqua
+++ b/ext/tk/README.macosx-aqua
@@ -3,13 +3,13 @@
 
 First of all, please read README.tcltklib to use Tcl/Tk Aqua Framework.
 
-With Tcl/Tk Aqua libraries, current tcltklib somtimes freezes when 
-using Aqua specific dialogs (e.g. Tk.messageBox). 
+With Tcl/Tk Aqua libraries, current tcltklib somtimes freezes when
+using Aqua specific dialogs (e.g. Tk.messageBox).
 This is a known bug of Ruby-1.8.4 release.
 
-When you meet the trouble on your GUI, you'll be able to avoid the trouble 
-by Tcl/Tk's traditional dialogs. 
-If you want to do that, please call some of the following bits of script 
+When you meet the trouble on your GUI, you'll be able to avoid the trouble
+by Tcl/Tk's traditional dialogs.
+If you want to do that, please call some of the following bits of script
 after "reqruie 'tk'".
 
 =================================================================
@@ -57,11 +57,11 @@ Tk.ip_eval(<<'EOS')
 EOS
 =================================================================
 
-Each of them replaces the platform specific dialog command to the 
-traditional one. 
+Each of them replaces the platform specific dialog command to the
+traditional one.
 
-If you use some MultiTkIp objects, probably, you'll have to call the 
-bits of script for each MultiTkIp object. 
+If you use some MultiTkIp objects, probably, you'll have to call the
+bits of script for each MultiTkIp object.
 
--- 
+--
 Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
diff --git a/ext/tk/README.tcltklib b/ext/tk/README.tcltklib
index 251348e91a..52b64ce88a 100644
--- a/ext/tk/README.tcltklib
+++ b/ext/tk/README.tcltklib
@@ -1,42 +1,42 @@
-To compile 'tcltklib', you must have Tcl/Tk libraries on your environment. 
+To compile 'tcltklib', you must have Tcl/Tk libraries on your environment.
 Although 'extconf.rb' script searches Tcl/Tk libraries and header files
 (as default, searches tclConfig.sh/tkConfig.sh and use the defintions on
 those; ActiveTcl has high priority on searching unless --without-ActiveTcl),
-sometimes fails to find them. And then, 'tcltklib' cannot be compiled. If 
-Tcl/Tk libraries or header files are installed but are not found, you can 
-give the information by arguments of the 'configure' script. Please give 
-some or all of the following options. 
+sometimes fails to find them. And then, 'tcltklib' cannot be compiled. If
+Tcl/Tk libraries or header files are installed but are not found, you can
+give the information by arguments of the 'configure' script. Please give
+some or all of the following options.
 
  --with-tk-old-extconf         use old "extconf.rb" (default: false).
                                If current extconf.rb doesn't work properly
-                               (or your install process is based on old 
+                               (or your install process is based on old
                                documant about Ruby/Tk install), please try
 			       this option.
 
  --with-ActiveTcl / --without-ActiveTcl
  --with-ActiveTcl=        search ActiveTcl libraries (default: true).
-                               When true, try to find installed ActiveTcl. 
+                               When true, try to find installed ActiveTcl.
                                When  is given, use it as the ActiveTcl's
 			       top directory (use /lib, and so on).
                                Old "extconf.rb" doesn't support this option.
 
  --with-tk-shlib-search-path=
-                               teach the paths for loading shared-libraries 
+                               teach the paths for loading shared-libraries
                                to linker.
-                                is a path list with the same format 
+                                is a path list with the same format
                                as PATH environment variable.
                                This option may be experimental.
                                Old "extconf.rb" doesn't support this option.
 
- --with-tcltkversion= 
+ --with-tcltkversion=
       force version of Tcl/Tk libaray
       (e.g. libtcl8.4g.so ==> --with-tcltkversion=8.4g)
 
  --without-tcl-config / --without-tk-config
- --with-tclConfig-dir=       
- --with-tkConfig-dir=     the directory contains 'tclConfig.sh' and 
-                               'tkConfig.sh'. 
-			       Current "extconf.rb" uses the information 
+ --with-tclConfig-dir=
+ --with-tkConfig-dir=     the directory contains 'tclConfig.sh' and
+                               'tkConfig.sh'.
+			       Current "extconf.rb" uses the information
                                on tclConfig.sh/tkConfig.rb, if possible.
                                Old "extconf.rb" doesn't support this option.
 
@@ -45,14 +45,14 @@ some or all of the following options.
 
  --enable-tcltk-stubs          (if you force to enable stubs)
                                On old "extconf.rb", default is false.
-                               On current "extconf.rb", default is true when 
+                               On current "extconf.rb", default is true when
                                tclConfig.sh/tkConfig.sh have TCL_STUB_LIB_SPEC
                                /TK_STUB_LIB_SPEC, else default is false.
 
- --with-tcl-dir= 
+ --with-tcl-dir=
       equal to "--with-tcl-include=/include --with-tcl-lib=/lib"
 
- --with-tk-dir= 
+ --with-tk-dir=
       equal to "--with-tk-include=/include --with-tk-lib=/lib"
 
  --with-tcl-include=      the directry contains 'tcl.h'
@@ -66,9 +66,9 @@ some or all of the following options.
 
  --enable-tcltk-framework      use Tcl/Tk framework
 
- --with-tcltk-framework=  the directory contains Tcl/Tk framework; 
+ --with-tcltk-framework=  the directory contains Tcl/Tk framework;
                                "/Tcl.framework" and "/Tk.framework".
-                               When this option is given, it is assumed that 
+                               When this option is given, it is assumed that
                                --enable-tcltk-framework option is given also.
 
  --with-tcl-framework-dir=
@@ -78,17 +78,17 @@ some or all of the following options.
       Tk framework directory (e.g. "/Library/Frameworks/Tk.framework")
 
  --with-tcl-framework-header=
-      Tcl framework headers directory 
+      Tcl framework headers directory
       (e.g. "/Library/Frameworks/Tcl.framework/Headers")
 
  --with-tk-framework-header=
-      Tk framework headers directory 
+      Tk framework headers directory
       (e.g. "/Library/Frameworks/Tk.framework/Headers")
 
 
  --with-X11 / --without-X11    use / not use the X Window System
 
- --with-X11-dir= 
+ --with-X11-dir=
       equal to "--with-X11-include=/include --with-X11-lib=/lib"
 
  --with-X11-include=      the directry contais X11 header files
@@ -104,24 +104,24 @@ directry of Ruby sources, please try something like as the followings.
 
 
  *** ATTENTION ***
-When your Tcl/Tk libraries are compiled with "pthread support", 
-Ruby/Tk may cause "Hang-up" or "Segmentation Fault" frequently. 
-If you have such a trouble, please try to use the '--enable-pthread' 
-option of the 'configure' command and re-compile Ruby sources. 
-It may help you to avoid this trouble. The following configure 
+When your Tcl/Tk libraries are compiled with "pthread support",
+Ruby/Tk may cause "Hang-up" or "Segmentation Fault" frequently.
+If you have such a trouble, please try to use the '--enable-pthread'
+option of the 'configure' command and re-compile Ruby sources.
+It may help you to avoid this trouble. The following configure
 options may be useful.
 
   --enable-tcl-thread/--disable-tcl-thread
   --with-tclConfig-file=
   --with-tkConfig-file=
 
-It is not need that 'tclConfig.sh' is a normal Tcl/Tk's tclConfig.sh. 
+It is not need that 'tclConfig.sh' is a normal Tcl/Tk's tclConfig.sh.
 But the file is expected to include the line "TCL_THREADS=0" or "...=1".
-When no "TCL_THREADS=?" line, if Tcl version is 7.x or 8.0 which is 
-given by "TCL_MAJOR_VERSION=?" line and "TCL_MINOR_VERSION=?" line, 
+When no "TCL_THREADS=?" line, if Tcl version is 7.x or 8.0 which is
+given by "TCL_MAJOR_VERSION=?" line and "TCL_MINOR_VERSION=?" line,
 then --disable-tcl-thread is expected. Else, ignore the 'tclConfig.sh'.
-If --enable-tcl-thread or --disable-tcl-thread option is given, then 
---with-tclConfig-file option is ignored. 
+If --enable-tcl-thread or --disable-tcl-thread option is given, then
+--with-tclConfig-file option is ignored.
 
 ==========================================================
                 Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
diff --git a/ext/tk/lib/README b/ext/tk/lib/README
index 5918fe4bf0..c076755756 100644
--- a/ext/tk/lib/README
+++ b/ext/tk/lib/README
@@ -9,8 +9,8 @@ tkextlib/       non-standard Tcl/Tk extension support libraries
 
 *********************************************************************
 ***  The followings exists for backward compatibility only.
-***  The only thing which they work is that requires current 
-***  library files ( tk/*.rb ). 
+***  The only thing which they work is that requires current
+***  library files ( tk/*.rb ).
 *********************************************************************
 tkafter.rb	handles Tcl after
 tkbgerror.rb	Tk error module
diff --git a/ext/tk/lib/tkextlib/SUPPORT_STATUS b/ext/tk/lib/tkextlib/SUPPORT_STATUS
index 6b31ababb3..522039b11a 100644
--- a/ext/tk/lib/tkextlib/SUPPORT_STATUS
+++ b/ext/tk/lib/tkextlib/SUPPORT_STATUS
@@ -6,56 +6,56 @@
 The following list shows *CURRENT* status when this file was modifyed
 at last. If you want to add other Tcl/Tk extensions to the planed list
 (or change its status position), please request them at the ruby-talk,
-ruby-list, or ruby-dev ML. Although we cannot promise to support your 
-requests, we'll try to do. 
+ruby-list, or ruby-dev ML. Although we cannot promise to support your
+requests, we'll try to do.
 
-If you want to check that wrapper libraries are ready to use on your 
-environment, please execute 'pkg_checker.rb' with no arguments. The 
+If you want to check that wrapper libraries are ready to use on your
+environment, please execute 'pkg_checker.rb' with no arguments. The
 script may give you some hints about that.
 
 
   ***** IMPORTANT NOTE **********************************************
 
-    'support' means that Ruby/Tk's wrapper libraries are released. 
+    'support' means that Ruby/Tk's wrapper libraries are released.
     'not support' does *NOT* mean that the extension doesn't work
-    on Ruby/Tk. 
+    on Ruby/Tk.
 
     The version number of each extension means the latest version
-    which is checked its feature. That is, it does NOT means only 
-    version of working. Library files maybe include some features 
-    which is included in the former version but removed from the 
-    latest, and maybe able to support the later version then the 
+    which is checked its feature. That is, it does NOT means only
+    version of working. Library files maybe include some features
+    which is included in the former version but removed from the
+    latest, and maybe able to support the later version then the
     shown version.
 
-    Even if the status of the extension is 'not support', you can 
-    control the functions/widgets of the extension without wrapper 
-    libraries by Tk.tk_call(), Tk.ip_eval(), and so on. 
+    Even if the status of the extension is 'not support', you can
+    control the functions/widgets of the extension without wrapper
+    libraries by Tk.tk_call(), Tk.ip_eval(), and so on.
 
-    If you cannot use installed Tcl/Tk extension, please check the 
-    followings. 
+    If you cannot use installed Tcl/Tk extension, please check the
+    followings.
 
      (1) On your Tcl/Tk, does the extention work?
 
      (2) Do DLL libraries of the extension exist on DLL load-path?
          (See also "/ext/tcltklib/README.ActiveTcl")
 
-     (3) Is the Tcl library directory of the extension included in 
+     (3) Is the Tcl library directory of the extension included in
          library search-path of the Tcl interpreter linked Ruby/Tk?
 
-    The check results may request you to do some setup operations 
-    before using the extension. If so, then please write the step 
-    of setup oprations into the "setup.rb" file in the directory 
+    The check results may request you to do some setup operations
+    before using the extension. If so, then please write the step
+    of setup oprations into the "setup.rb" file in the directory
     of the wrapper libraries for the extention (It is the wrapper
-    libraries have the standard structure of the libraries in this 
-    directory). The "setup" file is required before requiring the 
-    Tcl library package (TkPackage.require()). 
+    libraries have the standard structure of the libraries in this
+    directory). The "setup" file is required before requiring the
+    Tcl library package (TkPackage.require()).
 
   *******************************************************************
 
 
 ===< support with some examples (may be beta quality) >=======================
 
-Tcllib       1.11.1  
+Tcllib       1.11.1
 Tklib        0.5     http://sourceforge.net/projects/tcllib      ==> tcllib
                        ( partial support; primary support target is Tklib)
 
@@ -78,7 +78,7 @@ TkImg        1.3     http://sourceforge.net/projects/tkimg       ==> tkimg
 
 
 BLT          2.4z    http://sourceforge.net/projects/blt
-                        * see also tcltk-ext library on RAA 
+                        * see also tcltk-ext library on RAA
                                 (http://raa.ruby-lang.org/)
                       ==> blt
 
@@ -97,7 +97,7 @@ IncrTcl      CVS/Hd(2008-12-15)
 
 TclX         CVS/Hd(2008-12-15)
                      http://sourceforge.net/projects/tclx
-                       ==> tclx (partial support; infox command and 
+                       ==> tclx (partial support; infox command and
                                                    XPG/3 message catalogs only)
 
 Trofs        0.4.4   http://math.nist.gov/~DPorter/tcltk/trofs/
@@ -129,7 +129,7 @@ Tkgeomap     ***     http://tkgeomap.sourceforge.net/index.html
 ===< not determined to supprt or not >========================================
 
 Tix          ***     http://tixlibrary.sourceforge.net/
-                        * see also tcltk-ext library on RAA 
+                        * see also tcltk-ext library on RAA
                                 (http://raa.ruby-lang.org/)
 
 TkZinc       ***     http://www.tkzinc.org/
@@ -175,7 +175,7 @@ TclDOM       ***     http://sourceforge.net/projects/tclxml
 TclSOAP      ***     http://sourceforge.net/projects/tclsoap
 
 Snack        ***     http://www.speech.kth.se/~kare/snack2.2.tar.gz
-                        * use Snack for Ruby 
+                        * use Snack for Ruby
                               (see http://rbsnack.sourceforge.net/)
 
 Tcom         ***     http://www.vex.net/~cthuang/tcom/
@@ -191,7 +191,7 @@ XOTcl        ***     http://www.xotcl.org/
 
 ===< tool (may not supprt) >==================================================
 
-tbcload/tclcompiler 
+tbcload/tclcompiler
              ***     http://www.tcl.tk/software/tclpro/
 
 
diff --git a/ext/tk/lib/tkextlib/tcllib/README b/ext/tk/lib/tkextlib/tcllib/README
index 953239befa..441918adce 100644
--- a/ext/tk/lib/tkextlib/tcllib/README
+++ b/ext/tk/lib/tkextlib/tcllib/README
@@ -4,14 +4,14 @@
 Tcllib includes many utilities. But currently, supports TKLib part
 only (see the following 'tcllib contents').
 
-If you request to support others, please send your message to one of 
-ruby-talk/ruby-list/ruby-dev/ruby-ext mailing lists. 
+If you request to support others, please send your message to one of
+ruby-talk/ruby-list/ruby-dev/ruby-ext mailing lists.
 
 ---------------------------------
-Tcllib is a collection of utility modules for Tcl. These modules provide 
-a wide variety of functionality, from implementations of standard data 
-structures to implementations of common networking protocols. The intent 
-is to collect commonly used function into a single library, which users 
+Tcllib is a collection of utility modules for Tcl. These modules provide
+a wide variety of functionality, from implementations of standard data
+structures to implementations of common networking protocols. The intent
+is to collect commonly used function into a single library, which users
 can rely on to be available and stable.
 ---------------------------------------------------------
 
@@ -124,7 +124,7 @@ Grammars and finite automata
 
 TKLib
     * Plotchart - Simple plotting and charting package
-    * autoscroll - Provides for a scrollbar to automatically mapped and 
+    * autoscroll - Provides for a scrollbar to automatically mapped and
                    unmapped as needed
     * ctext - An extended text widget with customizable Syntax highlighting
     * cursor - Procedures to handle CURSOR data
diff --git a/ext/tk/lib/tkextlib/tkimg/README b/ext/tk/lib/tkextlib/tkimg/README
index 65d36365d0..f5981cb98c 100644
--- a/ext/tk/lib/tkextlib/tkimg/README
+++ b/ext/tk/lib/tkextlib/tkimg/README
@@ -2,7 +2,7 @@
  [ Tcl/Tk Image formats (TkImg) support ]
 
 TkImg contains a collection of format handlers for the Tk photo
-image type, and a new image type, pixmaps.  
+image type, and a new image type, pixmaps.
 
 Supported formats of TkImg version 1.3 are
 -------------------------------------------------------
diff --git a/ext/tk/old-README.tcltklib.eucj b/ext/tk/old-README.tcltklib.eucj
index fd75202c18..1683629fcb 100644
--- a/ext/tk/old-README.tcltklib.eucj
+++ b/ext/tk/old-README.tcltklib.eucj
@@ -70,7 +70,7 @@ demo/lines2.rb : tcltk 
 
 ､ﾇｺﾀｮ/ﾆｰｺｳﾎﾇｧ､ｷ､ﾞ､ｷ､ｿ. ﾂｾ､ﾎｴﾄｶｭ､ﾇ､ﾏﾆｰｺ､ｹ､､ｫ､ﾉ､ｦ､ｫ､､ｫ､熙ﾞ､ｻ､.
 
-TclTkLib.mainloop ､ｼﾂｹﾔﾃ讀ﾋ Control-C ､ｬｸ､ｫ､ﾊ､､､ﾎ､ﾏﾉﾔﾊﾘ､ﾊ､ﾎ､ﾇ, ruby 
+TclTkLib.mainloop ､ｼﾂｹﾔﾃ讀ﾋ Control-C ､ｬｸ､ｫ､ﾊ､､､ﾎ､ﾏﾉﾔﾊﾘ､ﾊ､ﾎ､ﾇ, ruby
 ､ﾎ･ｽ｡ｼ･ｹ､ｻｲｹﾍ､ﾋ, #include "sig.h" ､ｷ､ﾆ trap_immediate ､ﾁ犲､ｷ､ﾆ､､､ﾞ
 ､ｹ､ｬ, ruby ､ﾎ README.EXT ､ﾋ､篆､､､ﾆ､ﾊ､､､ﾎ､ﾋ, ､ｳ､､ﾊ､ｳ､ﾈ､､ｷ､ﾆﾎﾉ､､､ﾎ､ｫ
 ､ﾉ､ｦ､ｫ､､ｫ､熙ﾞ､ｻ､.
@@ -86,12 +86,12 @@ extconf.rb 
 
 ruby ､ｫ､ tcl/tk ･鬣､･ﾖ･鬣熙ﾍﾍﾑ､ﾇ､ｭ､ﾞ､ｹ.
 
-tcl/tk ･､･･ｿ･ﾗ･･ｿ､ﾎ･ｹ･ｯ･･ﾗ･ﾈ､ﾏ, ｵ｡ｳ｣ﾅｪ､ﾋ tcltk ･鬣､･ﾖ･鬣ﾍﾑ､ﾎ ruby 
+tcl/tk ･､･･ｿ･ﾗ･･ｿ､ﾎ･ｹ･ｯ･･ﾗ･ﾈ､ﾏ, ｵ｡ｳ｣ﾅｪ､ﾋ tcltk ･鬣､･ﾖ･鬣ﾍﾑ､ﾎ ruby
 ･ｹ･ｯ･･ﾗ･ﾈ､ﾋﾊﾑｴｹ､ﾇ､ｭ､ﾞ､ｹ.
 
 (`tk.rb' ､ﾈ､ﾎｰ网､)
 
-1. tcl/tk ･､･･ｿ･ﾗ･･ｿ､ﾎ･ｹ･ｯ･･ﾗ･ﾈ､ｬ, ､ﾉ､ﾎ､隍ｦ､ﾋ, tcltk ･鬣､･ﾖ･鬣ﾍﾑ､ﾎ 
+1. tcl/tk ･､･･ｿ･ﾗ･･ｿ､ﾎ･ｹ･ｯ･･ﾗ･ﾈ､ｬ, ､ﾉ､ﾎ､隍ｦ､ﾋ, tcltk ･鬣､･ﾖ･鬣ﾍﾑ､ﾎ
    ruby ･ｹ･ｯ･･ﾗ･ﾈ､ﾋﾊﾑｴｹ､ｵ､､､ｫ､ｬﾍｲ､ﾇ､ｭ､､ﾐ, ･ﾞ･ﾋ･螂｢･ﾎ爨ｬﾌｵ､､､ﾋﾅ
    ､ｷ､､ `tk.rb' ､ﾈ､ﾏｰﾛ､ﾊ､
 
@@ -136,7 +136,7 @@ tcl/tk 
 
    ､ｷ､ﾊ､ｱ､､ﾐ､ﾊ､熙ﾞ､ｻ､(､ｽ､ﾎﾂ螟､, tcl/tk ･鬣､･ﾖ･鬣熙ﾎｻﾅﾍﾍﾄﾌ､,
    tcl/tk ･､･･ｿ･ﾗ･･ｿ､ﾊ｣ｿﾀｸﾀｮ､ｹ､､ｳ､ﾈ､筅ﾇ､ｭ､ﾞ､ｹ､ｬ).
-   ･､･･ｿ｡ｼ･ﾕ･ｧ｡ｼ･ｹ､ﾏ(､ｪ､ｽ､鬢ｯ) ruby ､ﾎｻﾗﾁﾛ､ﾋｱ隍ﾃ､ｿ､筅ﾎ､ﾇ､ﾏ､｢､熙ﾞ､ｻ､. 
+   ･､･･ｿ｡ｼ･ﾕ･ｧ｡ｼ･ｹ､ﾏ(､ｪ､ｽ､鬢ｯ) ruby ､ﾎｻﾗﾁﾛ､ﾋｱ隍ﾃ､ｿ､筅ﾎ､ﾇ､ﾏ､｢､熙ﾞ､ｻ､.
    ､ﾞ､ｿ, ･ｹ･ｯ･･ﾗ･ﾈ､ﾎｵｭｽﾒ､ﾏ
 
 	･ﾀ･ｵ･ﾀ･ｵ
diff --git a/ext/tk/sample/demos-en/ChangeLog.prev b/ext/tk/sample/demos-en/ChangeLog.prev
index 536ce30abe..ba808eca8b 100644
--- a/ext/tk/sample/demos-en/ChangeLog.prev
+++ b/ext/tk/sample/demos-en/ChangeLog.prev
@@ -6,4 +6,4 @@
 
 	* Added test to widget and hello versus Tk::TCL_VERSION & Tk::JAPANIZED_TK (per Guy Decoux in [ruby-talk:18559]) before requiring tkencoding.rb.
 
-	
\ No newline at end of file
+
diff --git a/ext/tk/sample/demos-en/README b/ext/tk/sample/demos-en/README
index 2908aa38e4..a6ea4fae8c 100644
--- a/ext/tk/sample/demos-en/README
+++ b/ext/tk/sample/demos-en/README
@@ -1,14 +1,14 @@
-Current Maintainer: 
+Current Maintainer:
 	Jonathan Conway
 	rise@knavery.net
 
-	Please direct all bug reports/requests/suggestions to the above 
+	Please direct all bug reports/requests/suggestions to the above
 	address.
 
 
 Notes:
 
-* 	The files hello and widget have been changed to test Tk::TCL_VERSION 
+* 	The files hello and widget have been changed to test Tk::TCL_VERSION
 	and Tk::JAPANIZED_TK before requiring tkencoding.rb to prevent an
 	infinite loop.  This test was taken from a message in
 	[ruby-talk:18559] by Guy Decoux.
@@ -18,7 +18,7 @@ Notes:
 	able to use images exported by a graphics program as Windows
 	bitmaps with this demo collection nor will you be able to edit the
 	included images without setting the file type correctly.
-	
+
 -- Jonathan Conway, 2001-07-26
 
 
@@ -28,19 +28,19 @@ Notes:
 # To create this version of the Ruby/Tk widget demo, I took the
 # ruby-tk81-demos and removed all the Kanji strings and comments.  I
 # have tried to restore the original English strings and comments
-# using the Tcl/Tk8.2.2 version of the widget demo. 
+# using the Tcl/Tk8.2.2 version of the widget demo.
 #
 # When I tried running the Kanji version, all I got was a mostly blank
 # panel with a non-functional "File" button. I disovered that if all
 # non-ASCII characters were replaced with blanks, then I could get the
-# gutted stuff running.  
+# gutted stuff running.
 #
 # Since English Ruby/Tk documentation is lacking and I needed this
 # code to see how it worked and to use as the basis of my try-it
 # prototype (The Ruby Yielding Interactive Toolkit), plus the fact
 # that no help was forthcoming for making the Kanji version work (plus
 # the fact that I can't read Kanji anyway), I decided to embark on
-# this English restoration project. 
+# this English restoration project.
 #
 # Thanks to everyone who worked on the original Ruby/Tk widget demo
 # (and the preceding Tcl/Tk version for that matter).  The
@@ -86,13 +86,13 @@ Windows(Cygwin)
 					
 
 ----------------------------------------------------------------------------
-  Ruby/Tk widget-demo 
+  Ruby/Tk widget-demo
                               version 1.1 ( 1998/07/24 )
                               ｱﾊｰ譯ﾃﾎﾇｽ｡･ｶ蟷ｩﾂ (nagai@ai.kyutech.ac.jp)
 
-ﾉｸｽ猊ﾛﾉﾛ､ﾎ Tcl/Tk ｳﾈﾄ･･ﾑ･ﾃ･ｱ｡ｼ･ｸ､ｼ隍ｹ､､ﾀ Ruby (ｰﾊｲｼ Ruby/Tk ､ﾈｸﾆ､ﾓ､ﾞ､ｹ) 
+ﾉｸｽ猊ﾛﾉﾛ､ﾎ Tcl/Tk ｳﾈﾄ･･ﾑ･ﾃ･ｱ｡ｼ･ｸ､ｼ隍ｹ､､ﾀ Ruby (ｰﾊｲｼ Ruby/Tk ､ﾈｸﾆ､ﾓ､ﾞ､ｹ)
 ､ﾇ､ﾏ｡､Tk widget ､ﾍﾑ､､､ｿ GUI ､ﾎｺﾀｮ､ｹﾔ､ｦ､ｳ､ﾈ､ｬ､ﾇ､ｭ､ﾞ､ｹ｡･ｼﾂｺﾝ､ﾋ GUI ､ｺﾀｮ
-､ｷ､ﾆ､､､ｯｾｹ遉ﾋ､ﾏﾍﾍ｡ｹ､ﾊｼﾂﾎ网ｬ･ｵ･･ﾗ･､ﾈ､ｷ､ﾆﾂｸｺﾟ､ｹ､､ﾈﾊﾘﾍ､ﾊ､ﾎ､ﾇ､ｹ､ｬ｡､Ruby/Tk 
+､ｷ､ﾆ､､､ｯｾｹ遉ﾋ､ﾏﾍﾍ｡ｹ､ﾊｼﾂﾎ网ｬ･ｵ･･ﾗ･､ﾈ､ｷ､ﾆﾂｸｺﾟ､ｹ､､ﾈﾊﾘﾍ､ﾊ､ﾎ､ﾇ､ｹ､ｬ｡､Ruby/Tk
 ､ﾋ､ﾏ､ｽ､ﾎ､隍ｦ､ﾊﾅｬﾅ､ﾊ･ｵ･･ﾗ･･ｹ･ｯ･･ﾗ･ﾈｽｸｹ遉ﾏﾂｸｺﾟ､ｷ､ﾞ､ｻ､､ﾇ､ｷ､ｿ｡･､ｽ､､ﾋﾂﾐ､ｷ｡､
 ｳﾈﾄ･･ﾑ･ﾃ･ｱ｡ｼ･ｸ､ﾎｸｵ､ﾇ､｢､ Tcl/Tk ､ﾋ､ﾏ｡､Tk widget ､ﾍﾑ､､､ﾆ､ﾉ､ﾎ､隍ｦ､ﾊ､ｳ､ﾈ､ｬ､ﾇ
 ､ｭ､､ｫ､ｼｨ､ｹ､筅ﾎ､ﾈ､ｷ､ﾆ widget-demo ､ｬﾂｸｺﾟ､ｷ､ｪ､遙､Tcl/Tk ､ﾍﾑ､､､ｿ GUI ､ﾎｺﾀｮ
@@ -118,21 +118,21 @@ Tcl/Tk 
 ､ﾇ､ｷ､遉ｦ｡･Ruby/Tk ﾈﾇ､ﾎｵｭｽﾒ､ widget-demo ､ Tcl/Tk ﾈﾇ､ﾎｵｭｽﾒ､ﾋｶ皃､､筅ﾎ､ﾋ､ｷ､ﾆ
 ､ｪ､ｱ､ﾐ｡､､ｽ､ﾎﾂﾐﾈ讀ﾋ､隍ﾃ､ﾆ｡､Ruby/Tk ､ﾎﾍｲ､ﾁ皃皃､ｳ､ﾈ､ｬ､ﾇ､ｭ､､ﾈｹﾍ､ｨ､鬢､ﾞ､ｹ｡･
 ｰﾃｶ Ruby/Tk ､ﾇ､ﾎ ｳﾆ widget ､ﾎｻﾈﾍﾑﾊﾋ｡､ｽｬﾆﾀ､ｷ､ﾆ､ｷ､ﾞ､ｨ､ﾐ｡､Ruby ､鬢ｷ､､･ｹ･ｯ･
-･ﾗ･ﾈ､ｺﾀｮ､ｹ､､ｳ､ﾈ､ﾏﾆ､ｷ､ｯ､ﾊ､､､ﾇ､ｷ､遉ｦ｡･ﾋﾜ･｢｡ｼ･ｫ･､･ﾖ､ﾎ･ｹ･ｯ･･ﾗ･ﾈ､ﾏ｡､Ruby/Tk 
+･ﾗ･ﾈ､ｺﾀｮ､ｹ､､ｳ､ﾈ､ﾏﾆ､ｷ､ｯ､ﾊ､､､ﾇ､ｷ､遉ｦ｡･ﾋﾜ･｢｡ｼ･ｫ･､･ﾖ､ﾎ･ｹ･ｯ･･ﾗ･ﾈ､ﾏ｡､Ruby/Tk
 ､ｺﾇｽ鬢ﾋｽｬﾆﾀ､ｹ､､ﾞ､ﾇ､ﾎﾆｧﾂ讀ﾈ､ｷ､ﾆﾍﾍﾑ､ｷ､ﾆ､､､ｿ､ﾀ､ｱ､､ﾐｹｬ､､､ﾇ､ｹ｡･
 
 widget-demo ､ﾎｰﾜｿ｢､ﾋ､｢､ｿ､ﾃ､ﾆ､ﾏ｡､ｼ｡､ﾎﾊ､ﾋ､箍ﾜｿ｢､ｷ､ｿ･ｹ･ｯ･･ﾗ･ﾈ､ﾄｶ｡､ｷ､ﾆ､､､ｿ､ﾀ
 ､ｭ､ﾞ､ｷ､ｿ｡･､ｳ､ｳ､ﾋｴｶｼﾕ､ﾎｰﾕ､ﾉｽ､ｷ､ﾞ､ｹ｡･
 
-    ﾎｩﾀﾐ｡JAIST (ttate@jaist.ac.jp) ､ｵ､ 
+    ﾎｩﾀﾐ｡JAIST (ttate@jaist.ac.jp) ､ｵ､
     ﾊｿｾｾｾﾍｻﾋ (hiramatu@cdrom.co.jp) ､ｵ､
 
-ﾊｿｾｾ､ｵ､､ﾋ､隍 Ruby/Tk ﾆﾌ遉ﾎ Web page (http://www.cdrom.co.jp/~hiramatu/) 
+ﾊｿｾｾ､ｵ､､ﾋ､隍 Ruby/Tk ﾆﾌ遉ﾎ Web page (http://www.cdrom.co.jp/~hiramatu/)
 ､ Ruby/Tk ､ﾎｽｬﾆﾀ､ﾋﾍｭﾍﾑ､ﾈｻﾗ､ｨ､ﾞ､ｹ､ﾎ､ﾇ｡､､ｼ､ﾒ､ｴｻｲｾﾈ､ｯ､ﾀ､ｵ､､｡･
 
 ､ﾞ､ｿ｡､ﾁｰｶｶ (maebashi@iij.ad.jp) ､ｵ､､､ﾏ､ｸ､皃ﾈ､ｷ､ﾆ｡､widget-demo ､ﾎｰﾜｿ｢､ﾋｺﾝ､ｷ
 ､ﾆﾉｬﾍﾗ､ﾈ､ﾊ､ﾃ､ｿ Ruby ､ﾎ Tk ｴﾘﾏ｢･鬣､･ﾖ･鬣ｽ､ﾀｵ､ﾋ､ﾄ､､､ﾆ｡､ﾌ萃ﾅﾀ｡､･ﾐ･ｰ､ﾎｻﾘﾅｦ､､ｷ
 ､ﾆ､､､ｿ､ﾀ､､､ｿﾊ｡ｹ､ﾋ､箒ｶｼﾕﾃﾗ､ｷ､ﾞ､ｹ｡･
 
-､ｽ､ｷ､ﾆｺﾇｸ螟ﾋｺﾇﾂ遉ﾎｴｶｼﾕ､ Ruby ﾀﾟｷﾗｼﾔ､ﾎ ､ﾞ､ﾄ､筅ﾈ ､讀ｭ､ﾒ､ (matz@netlab.co.jp) 
+､ｽ､ｷ､ﾆｺﾇｸ螟ﾋｺﾇﾂ遉ﾎｴｶｼﾕ､ Ruby ﾀﾟｷﾗｼﾔ､ﾎ ､ﾞ､ﾄ､筅ﾈ ､讀ｭ､ﾒ､ (matz@netlab.co.jp)
 ､ｵ､､ﾋﾊ､ｲ､ｿ､､､ﾈｻﾗ､､､ﾞ､ｹ｡･
diff --git a/ext/tk/sample/demos-en/README.1st b/ext/tk/sample/demos-en/README.1st
index e031f123d2..2ba1e275c8 100644
--- a/ext/tk/sample/demos-en/README.1st
+++ b/ext/tk/sample/demos-en/README.1st
@@ -1,18 +1,18 @@
 There are Ruby/Tk demo scripts.
 
 Files with '.rb' extension are sub-scripts which are launched 'widget'
-script. Those files don't work independently. Please call them from 
+script. Those files don't work independently. Please call them from
 'widget' script.
 
 If you want start some sub-scripts at same time when the launcher
-script tarts, please give the sub-script names as arguments. 
+script tarts, please give the sub-script names as arguments.
 (e.g. /usr/local/bin/ruby widget button.rb entry1.rb text.rb )
 You can ommit '.rb' of the sub-scripts
 (e.g. /usr/local/bin/ruby widget button entry1 text )
 
-If you don't need launcher's main window, give -n option. 
+If you don't need launcher's main window, give -n option.
 (e.g. /usr/local/bin/ruby widget -n button.rb entry1.rb text.rb )
 
-Others (browse1, hello, and so on) are standalone scripts. 
+Others (browse1, hello, and so on) are standalone scripts.
 
           2004/04/14  Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
diff --git a/ext/tk/sample/demos-en/README.tkencoding b/ext/tk/sample/demos-en/README.tkencoding
index f576bc593e..679b476a08 100644
--- a/ext/tk/sample/demos-en/README.tkencoding
+++ b/ext/tk/sample/demos-en/README.tkencoding
@@ -1,5 +1,5 @@
-This is a original document of 'tkencoding.rb'. 
-The library 'tkencoding.rb' is obsolete. 
+This is a original document of 'tkencoding.rb'.
+The library 'tkencoding.rb' is obsolete.
 Functions of tkencoding.rb is already included into Ruby/Tk.
 
 -------------------------------------------------
diff --git a/ext/tk/sample/demos-en/browse1 b/ext/tk/sample/demos-en/browse1
index 03e251035a..568892e4a8 100644
--- a/ext/tk/sample/demos-en/browse1
+++ b/ext/tk/sample/demos-en/browse1
@@ -1,16 +1,16 @@
 #!/usr/bin/env ruby
 
 # browse --
-# This script generates a directory browser, which lists the working 
-# directory and allow you to open files or subdirectories by 
-# double-clicking. 
+# This script generates a directory browser, which lists the working
+# directory and allow you to open files or subdirectories by
+# double-clicking.
 
 require 'tk'
 
-# Create a scrollbar on the right side of the main window and a listbox 
+# Create a scrollbar on the right side of the main window and a listbox
 # on the left side.
 
-listbox = TkListbox.new(nil, 'relief'=>'sunken', 
+listbox = TkListbox.new(nil, 'relief'=>'sunken',
 			'width'=>20, 'height'=>20, 'setgrid'=>'yes') {|l|
   TkScrollbar.new(nil, 'command'=>proc{|*args| l.yview *args}) {|s|
     pack('side'=>'right', 'fill'=>'y')
@@ -23,10 +23,10 @@ listbox = TkListbox.new(nil, 'relief'=>'sunken',
 root = TkRoot.new
 root.minsize(1,1)
 
-# The procedure below is invoked to open a browser on a given file;  if the 
-# file is a directory then another instance of this program is invoked; if 
-# the file is a regular file then the Mx editor is invoked to display 
-# the file. 
+# The procedure below is invoked to open a browser on a given file;  if the
+# file is a directory then another instance of this program is invoked; if
+# the file is a regular file then the Mx editor is invoked to display
+# the file.
 
 def browse (dir, file)
   file = dir + File::Separator + file if dir != '.'
@@ -46,7 +46,7 @@ def browse (dir, file)
   end
 end
 
-# Fill the listbox with a list of all the files in the directory (run 
+# Fill the listbox with a list of all the files in the directory (run
 # the "ls" command to get that information).
 
 dir = ARGV[0] ?  ARGV[0] : '.'
@@ -57,7 +57,7 @@ open("|ls -a #{dir}", 'r'){|fid| fid.readlines}.each{|fname|
 # Set up bindings for the browser.
 
 Tk.bind_all('Control-c', proc{root.destroy})
-listbox.bind('Double-Button-1', 
+listbox.bind('Double-Button-1',
 	     proc{TkSelection.get.each{|f| browse dir, f}})
 
 Tk.mainloop
diff --git a/ext/tk/sample/demos-en/browse2 b/ext/tk/sample/demos-en/browse2
index edad04dbcb..1a511c8d29 100644
--- a/ext/tk/sample/demos-en/browse2
+++ b/ext/tk/sample/demos-en/browse2
@@ -1,9 +1,9 @@
 #!/usr/bin/env ruby
 
 # browse --
-# This script generates a directory browser, which lists the working 
-# directory and allow you to open files or subdirectories by 
-# double-clicking. 
+# This script generates a directory browser, which lists the working
+# directory and allow you to open files or subdirectories by
+# double-clicking.
 
 require 'tk'
 
@@ -19,9 +19,9 @@ class Browse
       title('Browse : ' + dir)
     }
 
-    # Create a scrollbar on the right side of the main window and a listbox 
+    # Create a scrollbar on the right side of the main window and a listbox
     # on the left side.
-    list = TkListbox.new(base, 'relief'=>'sunken', 
+    list = TkListbox.new(base, 'relief'=>'sunken',
 			 'width'=>20, 'height'=>20, 'setgrid'=>'yes') {|l|
       TkScrollbar.new(base, 'command'=>proc{|*args| l.yview *args}) {|s|
 	pack('side'=>'right', 'fill'=>'y')
@@ -30,7 +30,7 @@ class Browse
 
       pack('side'=>'left', 'fill'=>'both', 'expand'=>'yes')
 
-      # Fill the listbox with a list of all the files in the directory (run 
+      # Fill the listbox with a list of all the files in the directory (run
       # the "ls" command to get that information).
       open("|ls -a #{dir}", 'r'){|fid| fid.readlines}.each{|fname|
 	l.insert('end', fname.chomp)
@@ -44,14 +44,14 @@ class Browse
 		                Browse::BROWSE_WIN_COUNTER.to_i - 1
 	      })
     base.bind('Control-c', proc{base.destroy})
-    list.bind('Double-Button-1', 
+    list.bind('Double-Button-1',
 	 proc{TkSelection.get.each{|f| self.browse dir, f}})
   end
 
-  # The method below is invoked to open a browser on a given file;  if the 
-  # file is a directory then another instance of this program is invoked; if 
-  # the file is a regular file then the Mx editor is invoked to display 
-  # the file. 
+  # The method below is invoked to open a browser on a given file;  if the
+  # file is a directory then another instance of this program is invoked; if
+  # the file is a regular file then the Mx editor is invoked to display
+  # the file.
   def browse (dir, file)
     file = dir + File::Separator + file if dir != '.'
     type = File.ftype(file)
diff --git a/ext/tk/sample/demos-en/doc.org/license.terms b/ext/tk/sample/demos-en/doc.org/license.terms
index 03ca6fcb31..c0a44d3fc2 100644
--- a/ext/tk/sample/demos-en/doc.org/license.terms
+++ b/ext/tk/sample/demos-en/doc.org/license.terms
@@ -28,7 +28,7 @@ MODIFICATIONS.
 
 GOVERNMENT USE: If you are acquiring this software on behalf of the
 U.S. government, the Government shall have only "Restricted Rights"
-in the software and related documentation as defined in the Federal 
+in the software and related documentation as defined in the Federal
 Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2).  If you
 are acquiring the software on behalf of the Department of Defense, the
 software shall be classified as "Commercial Computer Software" and the
diff --git a/ext/tk/sample/demos-en/doc.org/license.terms.tk80 b/ext/tk/sample/demos-en/doc.org/license.terms.tk80
index 03ca6fcb31..c0a44d3fc2 100644
--- a/ext/tk/sample/demos-en/doc.org/license.terms.tk80
+++ b/ext/tk/sample/demos-en/doc.org/license.terms.tk80
@@ -28,7 +28,7 @@ MODIFICATIONS.
 
 GOVERNMENT USE: If you are acquiring this software on behalf of the
 U.S. government, the Government shall have only "Restricted Rights"
-in the software and related documentation as defined in the Federal 
+in the software and related documentation as defined in the Federal
 Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2).  If you
 are acquiring the software on behalf of the Department of Defense, the
 software shall be classified as "Commercial Computer Software" and the
diff --git a/ext/tk/sample/demos-en/ixset b/ext/tk/sample/demos-en/ixset
index 979894fcb8..40a77f487c 100644
--- a/ext/tk/sample/demos-en/ixset
+++ b/ext/tk/sample/demos-en/ixset
@@ -164,8 +164,8 @@ class Xsettings
     #
     bell = TkFrame.new(@root, 'relief'=>'raised', 'borderwidth'=>2)
     l = TkLabel.new(bell, 'text'=>'Bell Settings')
-    @w_bellvol = TkScale.new(bell, 'from'=>0, 'to'=>100, 'length'=>200, 
-			     'tickinterval'=>20, 'orient'=>'horizontal', 
+    @w_bellvol = TkScale.new(bell, 'from'=>0, 'to'=>100, 'length'=>200,
+			     'tickinterval'=>20, 'orient'=>'horizontal',
 			     'label'=>"Volume (%)")
 
     f = TkFrame.new(bell)
@@ -180,13 +180,13 @@ class Xsettings
 
     #
     # Keyboard settings
-    # 
+    #
     kbdonoff = nil
     kbdcli = nil
     kbd = TkFrame.new(@root, 'relief'=>'raised', 'borderwidth'=>2)
     l = TkLabel.new(kbd, 'text'=>'Keyboard Repeat Settings')
     f = TkFrame.new(kbd)
-    @w_kbdonoff = TkCheckButton.new(f, 'text'=>'On', 'relief'=>'flat', 
+    @w_kbdonoff = TkCheckButton.new(f, 'text'=>'On', 'relief'=>'flat',
 				    'onvalue'=>'on', 'offvalue'=>'off',
 				    'variable'=>@w_kbdrep ) {
       def self.set(value)
@@ -198,8 +198,8 @@ class Xsettings
       end
       pack('side'=>'left', 'expand'=>'yes', 'fill'=>'both')
     }
-    @w_kbdcli = TkScale.new(f, 'from'=>0, 'to'=>100, 'length'=>200, 
-			 'tickinterval'=>20, 'orient'=>'horizontal', 
+    @w_kbdcli = TkScale.new(f, 'from'=>0, 'to'=>100, 'length'=>200,
+			 'tickinterval'=>20, 'orient'=>'horizontal',
 			 'label'=>'Click Volume (%)')
     @w_kbdcli.pack('side'=>'left', 'expand'=>'yes')
     l.pack('side'=>'top', 'expand'=>'yes')
@@ -225,9 +225,9 @@ class Xsettings
     l = TkLabel.new(screen, 'text'=>'Screen-saver Settings')
     f = TkFrame.new(screen)
     ff1 = TkFrame.new(f)
-    [ @w_screenblank = TkRadioButton.new(ff1, 'text'=>'Blank', 
-					 'relief'=>'flat', 
-					 'variable'=>@w_screenbla, 
+    [ @w_screenblank = TkRadioButton.new(ff1, 'text'=>'Blank',
+					 'relief'=>'flat',
+					 'variable'=>@w_screenbla,
 					 'value'=>'blank') {
 	def self.set(value)
 	  if value == 'blank'
@@ -236,10 +236,10 @@ class Xsettings
 	    self.deselect
 	  end
 	end
-      }, 
-      @w_screenpat = TkRadioButton.new(ff1, 'text'=>'Pattern', 
-				       'relief'=>'flat', 
-				       'variable'=>@w_screenbla, 
+      },
+      @w_screenpat = TkRadioButton.new(ff1, 'text'=>'Pattern',
+				       'relief'=>'flat',
+				       'variable'=>@w_screenbla,
 				       'value'=>'noblank') {
 	def self.set(value)
 	  if value != 'blank'
@@ -252,7 +252,7 @@ class Xsettings
     ].each {|w| w.pack('side'=>'top', 'pady'=>2, 'anchor'=>'w') }
 
     ff2 = TkFrame.new(f)
-    [ @w_screentim = LabelEntry.new(ff2, 'Timeout (s)', 5), 
+    [ @w_screentim = LabelEntry.new(ff2, 'Timeout (s)', 5),
       @w_screencyc = LabelEntry.new(ff2, 'Cycle (s)', 5) ].each{|w|
       w.pack('side'=>'top', 'pady'=>2, 'anchor'=>'e')
     }
diff --git a/ext/tk/sample/demos-en/ixset2 b/ext/tk/sample/demos-en/ixset2
index ce8472abe0..cb99c60793 100644
--- a/ext/tk/sample/demos-en/ixset2
+++ b/ext/tk/sample/demos-en/ixset2
@@ -134,8 +134,8 @@ class Xsettings
     def initialize(parent, text, length, range=[])
       @frame = TkFrame.new(parent)
       TkLabel.new(@frame, 'text'=>text).pack('side'=>'left')
-      if range.size > 0 
-	@entry = TkSpinbox.new(@frame, 'width'=>length, 'relief'=>'sunken', 
+      if range.size > 0
+	@entry = TkSpinbox.new(@frame, 'width'=>length, 'relief'=>'sunken',
 			       'from'=>range[0], 'to'=>range[1])
       else
 	@entry = TkEntry.new(@frame, 'width'=>length, 'relief'=>'sunken')
@@ -164,16 +164,16 @@ class Xsettings
     # Buttons
     #
     btn_frame = TkFrame.new(@root)
-    buttons = [ 
-      @btn_OK = TkButton.new(btn_frame, 'command'=>proc{win.ok}, 
+    buttons = [
+      @btn_OK = TkButton.new(btn_frame, 'command'=>proc{win.ok},
 			     'default'=>'active', 'text'=>'Ok'),
-      @btn_APPLY = TkButton.new(btn_frame, 'command'=>proc{win.writesettings}, 
-				'default'=>'normal', 'text'=>'Apply', 
+      @btn_APPLY = TkButton.new(btn_frame, 'command'=>proc{win.writesettings},
+				'default'=>'normal', 'text'=>'Apply',
 				'state'=>'disabled'),
-      @btn_CANCEL = TkButton.new(btn_frame, 'command'=>proc{win.cancel}, 
-				 'default'=>'normal', 'text'=>'Cancel', 
+      @btn_CANCEL = TkButton.new(btn_frame, 'command'=>proc{win.cancel},
+				 'default'=>'normal', 'text'=>'Cancel',
 				'state'=>'disabled'),
-      @btn_QUIT = TkButton.new(btn_frame, 'command'=>proc{win.quit}, 
+      @btn_QUIT = TkButton.new(btn_frame, 'command'=>proc{win.quit},
 			       'default'=>'normal', 'text'=>'Quit')
     ]
     buttons.each{|b| b.pack('side'=>'left', 'expand'=>'yes', 'pady'=>5) }
@@ -201,10 +201,10 @@ class Xsettings
     #
     # Bell settings
     #
-    bell = TkLabelframe.new(@root, 'text'=>'Bell Settings', 
+    bell = TkLabelframe.new(@root, 'text'=>'Bell Settings',
 			    'padx'=>'1.5m', 'pady'=>'1.5m')
-    @w_bellvol = TkScale.new(bell, 'from'=>0, 'to'=>100, 'length'=>200, 
-			     'tickinterval'=>20, 'orient'=>'horizontal', 
+    @w_bellvol = TkScale.new(bell, 'from'=>0, 'to'=>100, 'length'=>200,
+			     'tickinterval'=>20, 'orient'=>'horizontal',
 			     'label'=>"Volume (%)")
 
     f = TkFrame.new(bell)
@@ -218,13 +218,13 @@ class Xsettings
 
     #
     # Keyboard settings
-    # 
+    #
     kbdonoff = nil
     kbdcli = nil
-    kbd = TkLabelframe.new(@root, 'text'=>'Keyboard Repeat Settings', 
+    kbd = TkLabelframe.new(@root, 'text'=>'Keyboard Repeat Settings',
 			   'padx'=>'1.5m', 'pady'=>'1.5m')
     f = TkFrame.new(kbd)
-    @w_kbdonoff = TkCheckButton.new(f, 'text'=>'On', 'relief'=>'flat', 
+    @w_kbdonoff = TkCheckButton.new(f, 'text'=>'On', 'relief'=>'flat',
 				    'onvalue'=>'on', 'offvalue'=>'off',
 				    'variable'=>@w_kbdrep ) {
       def self.set(value)
@@ -236,17 +236,17 @@ class Xsettings
       end
       pack('side'=>'left', 'expand'=>'yes', 'fill'=>'x', 'padx'=>[0, '1m'])
     }
-    @w_kbdcli = TkScale.new(f, 'from'=>0, 'to'=>100, 'length'=>200, 
-			 'tickinterval'=>20, 'orient'=>'horizontal', 
+    @w_kbdcli = TkScale.new(f, 'from'=>0, 'to'=>100, 'length'=>200,
+			 'tickinterval'=>20, 'orient'=>'horizontal',
 			 'label'=>'Click Volume (%)')
-    @w_kbdcli.pack('side'=>'left', 'expand'=>'yes', 
+    @w_kbdcli.pack('side'=>'left', 'expand'=>'yes',
 		   'fill'=>'x', 'padx'=>['1m', 0])
     f.pack('side'=>'top', 'expand'=>'yes', 'pady'=>2, 'fill'=>'x')
 
     #
     # Mouse settings
     #
-    mouse = TkLabelframe.new(@root, 'text'=>'Mouse Settings', 
+    mouse = TkLabelframe.new(@root, 'text'=>'Mouse Settings',
 			     'padx'=>'1.5m', 'pady'=>'1.5m')
     f = TkFrame.new(mouse)
     @w_mouseacc = LabelEntry.new(f, 'Acceleration', 5)
@@ -258,11 +258,11 @@ class Xsettings
     #
     # Screen Saver settings
     #
-    screen = TkLabelframe.new(@root, 'text'=>'Screen-saver Settings', 
+    screen = TkLabelframe.new(@root, 'text'=>'Screen-saver Settings',
 			     'padx'=>'1.5m', 'pady'=>'1.5m')
-    @w_screenblank = TkRadioButton.new(screen, 'text'=>'Blank', 
-				       'relief'=>'flat', 'anchor'=>'w', 
-				       'variable'=>@w_screenbla, 
+    @w_screenblank = TkRadioButton.new(screen, 'text'=>'Blank',
+				       'relief'=>'flat', 'anchor'=>'w',
+				       'variable'=>@w_screenbla,
 				       'value'=>'blank') {
       def self.set(value)
 	if value == 'blank'
@@ -273,9 +273,9 @@ class Xsettings
       end
     }
 
-    @w_screenpat = TkRadioButton.new(screen, 'text'=>'Pattern', 
-				     'relief'=>'flat', 'anchor'=>'w', 
-				     'variable'=>@w_screenbla, 
+    @w_screenpat = TkRadioButton.new(screen, 'text'=>'Pattern',
+				     'relief'=>'flat', 'anchor'=>'w',
+				     'variable'=>@w_screenbla,
 				     'value'=>'noblank') {
       def self.set(value)
 	if value != 'blank'
@@ -297,7 +297,7 @@ class Xsettings
     # Main window
     #
     param = {
-      'side'=>'top', 'fill'=>'both', 'expand'=>'yes', 
+      'side'=>'top', 'fill'=>'both', 'expand'=>'yes',
       'padx'=>'1m', 'pady'=>'1m'
     }
     btn_frame.pack('side'=>'top', 'fill'=>'both')
diff --git a/ext/tk/sample/demos-en/rmt b/ext/tk/sample/demos-en/rmt
index 73f631180a..dcfb328fc8 100644
--- a/ext/tk/sample/demos-en/rmt
+++ b/ext/tk/sample/demos-en/rmt
@@ -1,9 +1,9 @@
 #!/usr/bin/env ruby
 
-# rmt -- 
-# This script implements a simple remote-control mechanism for 
-# Tk applications.  It allows you to select an application and 
-# then type commands to that application. 
+# rmt --
+# This script implements a simple remote-control mechanism for
+# Tk applications.  It allows you to select an application and
+# then type commands to that application.
 
 require 'tk'
 
@@ -17,41 +17,41 @@ class Rmt
     root = TkWinfo.toplevel(parent)
     root.minsize(1,1)
 
-    # The instance variable below keeps track of the remote application 
-    # that we're sending to.  If it's an empty string then we execute 
-    # the commands locally. 
+    # The instance variable below keeps track of the remote application
+    # that we're sending to.  If it's an empty string then we execute
+    # the commands locally.
     @app = 'local'
     @mode = 'Ruby'
 
-    # The instance variable below keeps track of whether we're in the 
-    # middle of executing a command entered via the text. 
+    # The instance variable below keeps track of whether we're in the
+    # middle of executing a command entered via the text.
     @executing = 0
 
-    # The instance variable below keeps track of the last command executed, 
-    # so it can be re-executed in response to !! commands. 
+    # The instance variable below keeps track of the last command executed,
+    # so it can be re-executed in response to !! commands.
     @lastCommand = ""
 
-    # Create menu bar.  Arrange to recreate all the information in the 
-    # applications sub-menu whenever it is cascaded to. 
+    # Create menu bar.  Arrange to recreate all the information in the
+    # applications sub-menu whenever it is cascaded to.
 
     TkFrame.new(root, 'relief'=>'raised', 'bd'=>2) {|f|
       pack('side'=>'top', 'fill'=>'x')
       TkMenubutton.new(f, 'text'=>'File', 'underline'=>0) {|mb|
 	TkMenu.new(mb) {|mf|
 	  mb.menu(mf)
-	  TkMenu.new(mf) {|ma| 
+	  TkMenu.new(mf) {|ma|
 	    postcommand proc{win.fillAppsMenu ma}
-	    mf.add('cascade', 'label'=>'Select Application', 
+	    mf.add('cascade', 'label'=>'Select Application',
 		   'menu'=>ma, 'underline'=>0)
 	  }
-	  add('command', 'label'=>'Quit', 
+	  add('command', 'label'=>'Quit',
 	      'command'=>proc{root.destroy}, 'underline'=>0)
 	}
 	pack('side'=>'left')
       }
     }
 
-    # Create text window and scrollbar. 
+    # Create text window and scrollbar.
 
     @txt = TkText.new(root, 'relief'=>'sunken', 'bd'=>2, 'setgrid'=>true) {
       yscrollbar(TkScrollbar.new(root){pack('side'=>'right', 'fill'=>'y')})
@@ -60,9 +60,9 @@ class Rmt
 
     @promptEnd = TkTextMark.new(@txt, 'insert')
 
-    # Create a binding to forward commands to the target application, 
-    # plus modify many of the built-in bindings so that only information 
-    # in the current command can be deleted (can still set the cursor 
+    # Create a binding to forward commands to the target application,
+    # plus modify many of the built-in bindings so that only information
+    # in the current command can be deleted (can still set the cursor
     # earlier in the text and select and insert;  just can't delete).
 
     @txt.bindtags([@txt, TkText, root, 'all'])
@@ -151,8 +151,8 @@ class Rmt
     w.see('insert')
   end
 
-  # The method below is used to print out a prompt at the 
-  # insertion point (which should be at the beginning of a line 
+  # The method below is used to print out a prompt at the
+  # insertion point (which should be at the beginning of a line
   # right now).
 
   def prompt
@@ -162,8 +162,8 @@ class Rmt
     @txt.tag_add('bold', "#{@promptEnd.path} linestart", @promptEnd)
   end
 
-  # The method below executes a command (it takes everything on the 
-  # current line after the prompt and either sends it to the remote 
+  # The method below executes a command (it takes everything on the
+  # current line after the prompt and either sends it to the remote
   # application or executes it locally, depending on "app".
 
   def invoke
@@ -200,8 +200,8 @@ class Rmt
       if complete
 	@lastCommand = cmd
 	begin
-#	  msg = Tk.appsend(@app, false, 
-#			   'ruby', 
+#	  msg = Tk.appsend(@app, false,
+#			   'ruby',
 #			   '"(' + cmd.gsub(/[][$"]/, '\\\\\&') + ').to_s"')
 	  msg = Tk.rb_appsend(@app, false, cmd)
 	rescue
@@ -218,10 +218,10 @@ class Rmt
   end
 
   # The following method is invoked to change the application that
-  # we're talking to.  It also updates the prompt for the current 
-  # command, unless we're in the middle of executing a command from 
-  # the text item (in which case a new prompt is about to be output 
-  # so there's no need to change the old one). 
+  # we're talking to.  It also updates the prompt for the current
+  # command, unless we're in the middle of executing a command from
+  # the text item (in which case a new prompt is about to be output
+  # so there's no need to change the old one).
 
   def newApp(appName, mode)
     @app = appName
@@ -236,7 +236,7 @@ class Rmt
   end
 
   # The method below will fill in the applications sub-menu with a list
-  # of all the applications that currently exist. 
+  # of all the applications that currently exist.
 
   def fillAppsMenu(menu)
     win = self
@@ -251,14 +251,14 @@ class Rmt
 	else
 	  mode = 'Ruby'
 	end
-	menu.add('command', 'label'=>format("%s    (#{mode}/Tk)", ip), 
+	menu.add('command', 'label'=>format("%s    (#{mode}/Tk)", ip),
 		 'command'=>proc{win.newApp ip, mode})
       rescue
-	menu.add('command', 'label'=>format("%s (unknown Tk)", ip), 
+	menu.add('command', 'label'=>format("%s (unknown Tk)", ip),
 		 'command'=>proc{win.newApp ip, mode}, 'state'=>'disabled')
       end
     }
-    menu.add('command', 'label'=>format("local    (Ruby/Tk)"), 
+    menu.add('command', 'label'=>format("local    (Ruby/Tk)"),
 	     'command'=>proc{win.newApp 'local', 'Ruby'})
   end
 end
diff --git a/ext/tk/sample/demos-en/rolodex b/ext/tk/sample/demos-en/rolodex
index 9a4030e902..dfc4b2b245 100644
--- a/ext/tk/sample/demos-en/rolodex
+++ b/ext/tk/sample/demos-en/rolodex
@@ -2,7 +2,7 @@
 #
 # rolodex --
 # This script is a part of Tom LaStrange's rolodex
-# 
+#
 # Copyright (C) 1998 by Takaaki Tateishi 
 # Time-stamp: "03/08/02 06:23:06 nagai"
 #
@@ -17,7 +17,7 @@ def show_help(topic,x=0,y=0)
       topic = w
     end
   end
-  
+
   if( $helpTopics.include?(topic) )
     msg = $helpTopics[topic]
   else
@@ -81,7 +81,7 @@ class RolodexFrame < TkFrame
   def initialize(parent=nil,keys=nil)
     super(parent,keys)
     self["relief"] = "flat"
-    
+
     @i = []
     @label = []
     @entry = []
diff --git a/ext/tk/sample/demos-en/square b/ext/tk/sample/demos-en/square
index 00bfde59ff..bb66282154 100644
--- a/ext/tk/sample/demos-en/square
+++ b/ext/tk/sample/demos-en/square
@@ -1,10 +1,10 @@
 #!/usr/bin/env ruby
 
 # square --
-# This script generates a demo application containing only 
-# a "square" widget.  It's only usable if Tk has been compiled 
-# with tkSquare.c and with the -DSQUARE_DEMO compiler switch. 
-# This demo arranges the following bindings for the widget: 
+# This script generates a demo application containing only
+# a "square" widget.  It's only usable if Tk has been compiled
+# with tkSquare.c and with the -DSQUARE_DEMO compiler switch.
+# This demo arranges the following bindings for the widget:
 #
 # Button-1 press/drag:          moves square to mouse
 # "a":                          toggle size animation on/off
@@ -19,7 +19,7 @@ class TkSquare "0",
 	  "command" => proc{exit}
       }
-      
+
       # assign File menu to File button
       menu @file_menu
 
@@ -354,7 +354,7 @@ class TkColorBotFrame"2c", "height"=>"5c",
 			  "background"=>$color)
-    @value = TkLabel.new(self, 
+    @value = TkLabel.new(self,
 			 "text"=>$color,
 			 "width"=>"13",
 			 "font"=>"-Adobe-Courier-Medium-R-Normal--*-120-*-*-*-*-*-*")
diff --git a/ext/tk/sample/demos-en/timer b/ext/tk/sample/demos-en/timer
index 58a41d00c0..6cb7c87e09 100644
--- a/ext/tk/sample/demos-en/timer
+++ b/ext/tk/sample/demos-en/timer
@@ -69,7 +69,7 @@ class CountFrame < TkFrame
   def initialize(parent=nil,keys=nil)
     super(parent,keys)
     @counter = TkLabel.new(self,
-			   'text'=>$time, 
+			   'text'=>$time,
 			   'relief'=>'raised')
     @counter.pack('fill'=>'both')
     self
diff --git a/ext/tk/sample/demos-en/widget b/ext/tk/sample/demos-en/widget
index 250c589116..e6510c7e45 100644
--- a/ext/tk/sample/demos-en/widget
+++ b/ext/tk/sample/demos-en/widget
@@ -26,15 +26,15 @@ $RubyTk_WidgetDemo = true
 # $demo_dir = File.dirname($0)
 $demo_dir = File.dirname(__FILE__)
 
-# root 
+# root
 $root = TkRoot.new{title "Ruby/Tk Widget Demonstration"}
 
-# tk 
+# tk
 $tk_version = Tk::TK_VERSION
 $tk_major_ver, $tk_minor_ver = $tk_version.split('.').map{|n| n.to_i}
 $tk_patchlevel = Tk::TK_PATCHLEVEL
 
-# tcl_platform 
+# tcl_platform
 $tk_platform = TkVarAccess.new('tcl_platform')
 
 #
@@ -104,18 +104,18 @@ $image['print'] = TkPhotoImage.new(:height=>19, :format=>'GIF', :data=><= 8
-  $root.add_menubar([[['File', 0], 
+  $root.add_menubar([[['File', 0],
                         ['About ... ', proc{aboutBox}, 0, ''],
-                        '---', 
+                        '---',
                         ['Quit', proc{exit}, 0, 'Ctrl-Q']
                       ]])
 else
-  TkMenubar.new($root, 
-                [[['File', 0], 
+  TkMenubar.new($root,
+                [[['File', 0],
                     ['About ... ', proc{aboutBox}, 0, ''],
-                    '---', 
+                    '---',
                     ['Quit', proc{exit}, 0, 'Ctrl-Q']
                   ]]).pack('side'=>'top', 'fill'=>'x')
 end
@@ -135,7 +135,7 @@ TkFrame.new($root){|frame|
 }.pack('side'=>'top', 'fill'=>'x')
 =end
 
-# 
+#
 if $tk_version =~ /^4\.[01]/
   scr = TkScrollbar.new($root, 'orient'=>'vertical')
   txt = TkText.new($root) {
@@ -151,7 +151,7 @@ if $tk_version =~ /^4\.[01]/
   txt.pack('expand'=>'yes', 'fill'=>'both')
 else
   textFrame = TkFrame.new($root)
-  scr = TkScrollbar.new($root, 'orient'=>'vertical', 
+  scr = TkScrollbar.new($root, 'orient'=>'vertical',
                         'highlightthickness'=>0, 'takefocus'=>1) {
     pack('in'=>textFrame, 'side'=>'right', 'fill'=>'y', 'padx'=>1)
   }
@@ -184,10 +184,10 @@ else
       statusfont = 'Helvetica 10'
     end
     $statusBarLabel = \
-    TkLabel.new(f, 'text'=>"   ", 'relief'=>'sunken', 'bd'=>1, 'anchor'=>'w', 
+    TkLabel.new(f, 'text'=>"   ", 'relief'=>'sunken', 'bd'=>1, 'anchor'=>'w',
                 'font'=>statusfont) \
         .pack('side'=>'left', 'padx'=>2, 'expand'=>'yes', 'fill'=>'both')
-    TkLabel.new(f, 'width'=>8, 'relief'=>'sunken', 'bd'=>1, 'anchor'=>'w', 
+    TkLabel.new(f, 'width'=>8, 'relief'=>'sunken', 'bd'=>1, 'anchor'=>'w',
                 'font'=>statusfont) \
         .pack('side'=>'left', 'padx'=>2)
   }.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>2)
@@ -196,7 +196,7 @@ end
 # Create a bunch of tags to use in the text widget, such as those for
 # section titles and demo descriptions.  Also define the bindings for
 # tags.
-  
+
 if $tk_version =~ /^4.*/
   tag_title = TkTextTag.new(txt, 'font'=>'-*-Helvetica-Bold-R-Normal--*-180-*-*-*-*-*-*')
 else
@@ -210,23 +210,23 @@ end
 tag_demospace = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c')
 
 if TkWinfo.depth($root) == 1
-  tag_demo = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c', 
+  tag_demo = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c',
                            'underline'=>1)
-  $tag_visited = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c', 
+  $tag_visited = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c',
                               'underline'=>1)
   tag_hot = TkTextTag.new(txt, 'background'=>'black', 'foreground'=>'white')
 else
-  tag_demo = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c', 
+  tag_demo = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c',
                            'foreground'=>'blue', 'underline'=>1)
-  $tag_visited = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c', 
+  $tag_visited = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c',
                               'foreground'=>'#303080', 'underline'=>1)
-#  tag_hot = TkTextTag.new(txt, 'relief'=>'raised', 'borderwidth'=>1, 
+#  tag_hot = TkTextTag.new(txt, 'relief'=>'raised', 'borderwidth'=>1,
 #                         'background'=>'SeaGreen3')
   tag_hot = TkTextTag.new(txt, 'borderwidth'=>1, 'foreground'=>'red')
 end
 
 #tag_demo.bind('Button-1', proc{invoke txt, txt.index('current')})
-tag_demo.bind('ButtonRelease-1', 
+tag_demo.bind('ButtonRelease-1',
               proc{|x,y|invoke txt, txt.index("@#{x},#{y}")}, '%x %y')
 
 lastLine = TkVariable.new("")
@@ -237,7 +237,7 @@ tag_demo.bind('Enter', proc{|x,y|
                 showStatus txt, txt.index("@#{x},#{y}")
               },
               '%x %y')
-tag_demo.bind('Leave', 
+tag_demo.bind('Leave',
               proc{
                 tag_hot.remove('1.0','end')
                 txt.configure('cursor','xterm')
@@ -248,10 +248,10 @@ tag_demo.bind('Motion', proc{|x, y|
                 if newLine.value != lastLine.value
                   tag_hot.remove('1.0','end')
                   lastLine.value = newLine.value
-                  if ( txt.tag_names("@#{x},#{y}").find{|t| 
+                  if ( txt.tag_names("@#{x},#{y}").find{|t|
                         t.kind_of?(String) && t =~ /^demo-/
                       } )
-                    tag_hot.add(lastLine.value, 
+                    tag_hot.add(lastLine.value,
                                 "#{lastLine.value} lineend -1 chars")
                   end
                 end
@@ -273,7 +273,7 @@ demonstration.  If you wish, you can edit the code and click the \
 with the modified code. \
 Don't worry about breaking the source code. \
 Your modifications are not reflected on the original file. \
-Please try many kind of changes. 
+Please try many kind of changes.
 
 Some demo scripts require the recent version of Tk library \
 (e.g. Tk8.4 or later) \
@@ -353,8 +353,8 @@ txt.insert('end', "1. Without scrollbars.\n", tag_demo, "demo-entry1")
 txt.insert('end', " \n ", tag_demospace)
 txt.insert('end', "2. With scrollbars.\n", tag_demo, "demo-entry2")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', 
-           "3. Validated entries and password fields. (if supported)\n", 
+txt.insert('end',
+           "3. Validated entries and password fields. (if supported)\n",
            tag_demo, "demo-entry3")
 txt.insert('end', " \n ", tag_demospace)
 txt.insert('end', "4. Spin-boxes. (if supported)\n", tag_demo, "demo-spin")
@@ -499,7 +499,7 @@ $showVarsWin = {}
 def showVars1(parent, *args)
   if $showVarsWin[parent.path]
     begin
-      $showVarsWin[parent.path].destroy 
+      $showVarsWin[parent.path].destroy
     rescue
     end
   end
@@ -539,7 +539,7 @@ end
 def showVars2(parent, *args)
   if $showVarsWin[parent.path]
     begin
-      $showVarsWin[parent.path].destroy 
+      $showVarsWin[parent.path].destroy
     rescue
     end
   end
@@ -548,11 +548,11 @@ def showVars2(parent, *args)
 
     base = TkFrame.new(top).pack(:fill=>:both, :expand=>true)
 
-    TkLabelFrame.new(base, :text=>"Variable values:", 
+    TkLabelFrame.new(base, :text=>"Variable values:",
                      :font=>{:family=>'Helvetica', :size=>14}){|f|
       args.each{|vnam,vbody|
-        TkGrid(TkLabel.new(f, :text=>"#{vnam}: ", :anchor=>'w'), 
-               TkLabel.new(f, :textvariable=>vbody, :anchor=>'w'), 
+        TkGrid(TkLabel.new(f, :text=>"#{vnam}: ", :anchor=>'w'),
+               TkLabel.new(f, :textvariable=>vbody, :anchor=>'w'),
                :padx=>2, :pady=>2, :sticky=>'w')
       }
 
@@ -560,7 +560,7 @@ def showVars2(parent, *args)
       f.grid_columnconfig(1, :weight=>1)
       f.grid_rowconfig(100, :weight=>1)
     }
-    TkButton.new(base, :text=>"OK", :width=>8, :default=>:active, 
+    TkButton.new(base, :text=>"OK", :width=>8, :default=>:active,
                  :command=>proc{top.destroy}){|b|
       top.bind('Return', proc{b.invoke})
       top.bind('Escape', proc{b.invoke})
@@ -610,9 +610,9 @@ class Object
 
   def method_missing(id, *args)
     begin
-      has_top = (top = Thread.current[:TOPLEVEL]) && 
-                   top.respond_to?(:pseudo_toplevel_evaluable?) && 
-                   top.pseudo_toplevel_evaluable? && 
+      has_top = (top = Thread.current[:TOPLEVEL]) &&
+                   top.respond_to?(:pseudo_toplevel_evaluable?) &&
+                   top.pseudo_toplevel_evaluable? &&
                    top.respond_to?(id)
     rescue Exception => e
       has_top = false
@@ -738,7 +738,7 @@ def showStatus (txt, index)
     newcursor = 'xterm'
   else
     demoname = tag[5..-1]
-    $statusBarLabel.configure('text', 
+    $statusBarLabel.configure('text',
                              "Run the \"#{demoname}\" sample program")
     newcursor = 'hand2'
   end
@@ -800,9 +800,9 @@ def showCode1(demo)
       TkFrame.new($code_window) {|f|
         pack('expand'=>'yes', 'fill'=>'both', 'padx'=>1, 'pady'=>1)
 
-        hs = TkScrollbar.new($code_window, 'highlightthickness'=>0, 
+        hs = TkScrollbar.new($code_window, 'highlightthickness'=>0,
                              'orient'=>'horizontal')
-        vs = TkScrollbar.new($code_window, 'highlightthickness'=>0, 
+        vs = TkScrollbar.new($code_window, 'highlightthickness'=>0,
                              'orient'=>'vertical')
         $code_text = TkText.new($code_window) {|t|
           height 40
@@ -817,11 +817,11 @@ def showCode1(demo)
           vs.command(proc{|*args| $code_text.yview(*args)})
         }
 
-        $code_text.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>0, 
+        $code_text.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>0,
                         'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news')
-        vs.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>1, 
+        vs.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>1,
                 'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news')
-#       xs.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>1, 'column'=>0, 
+#       xs.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>1, 'column'=>0,
 #               'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news')
 
 # JKC 2001-07-26: segfaults under 1.7.1 (2001-06-19) [i686-linux]
@@ -866,8 +866,8 @@ def showCode2(demo)
   if $code_window == nil || TkWinfo.exist?($code_window) == false
     $code_window = TkToplevel.new(nil)
     tf = TkFrame.new($code_window)
-    $code_text = TkText.new(tf, :font=>'Courier 10', :height=>30, 
-                            :wrap=>'word', :bd=>1, :setgrid=>true, 
+    $code_text = TkText.new(tf, :font=>'Courier 10', :height=>30,
+                            :wrap=>'word', :bd=>1, :setgrid=>true,
                             :highlightthickness=>0, :pady=>2, :padx=>3)
     xscr = TkScrollbar.new(tf, :bd=>1){assign($code_text)}
     yscr = TkScrollbar.new(tf, :bd=>1){assign($code_text)}
@@ -890,20 +890,20 @@ def showCode2(demo)
       posnum.text  = pos
     }
 
-    b_dis = TkButton.new(bf, :text=>'Dismiss', :default=>:active, 
+    b_dis = TkButton.new(bf, :text=>'Dismiss', :default=>:active,
                          :command=>proc{
                            $code_window.destroy
                            $code_window = nil
-                         }, 
+                         },
                          :image=>$image['delete'], :compound=>:left)
-    b_prn = TkButton.new(bf, :text=>'Print Code', 
-                         :command=>proc{printCode($code_text, file)}, 
+    b_prn = TkButton.new(bf, :text=>'Print Code',
+                         :command=>proc{printCode($code_text, file)},
                          :image=>$image['print'], :compound=>:left)
-    b_run = TkButton.new(bf, :text=>'Rerun Demo', 
+    b_run = TkButton.new(bf, :text=>'Rerun Demo',
                          :command=>proc{
                            # eval($code_text.get('1.0','end'), _null_binding)
                            eval_samplecode($code_text.get('1.0','end'), '')
-                         }, 
+                         },
                          :image=>$image['refresh'], :compound=>:left)
 
     TkGrid(lf, 'x', b_run, b_prn, b_dis, :padx=>4, :pady=>[6,4])
@@ -979,23 +979,23 @@ def printCode(txt, file)
     when 'unix'
       msg = `lp -c #{fname}`
       unless $?.exitstatus == 0
-        Tk.messageBox(:title=>'Print spooling failure', 
+        Tk.messageBox(:title=>'Print spooling failure',
                       :message=>'Print spooling probably failed: ' + msg)
       end
     when 'windows'
       begin
         printTextWin32(fname)
       rescue => e
-        Tk.messageBox(:title=>'Print spooling failure', 
-                      :message=>'Print spooling probably failed: ' + 
+        Tk.messageBox(:title=>'Print spooling failure',
+                      :message=>'Print spooling probably failed: ' +
                       e.message)
-      end      
+      end
     when 'macintosh'
-      Tk.messageBox(:title=>'Operation not Implemented', 
+      Tk.messageBox(:title=>'Operation not Implemented',
                     :message=>'Oops, sorry: not implemented yet!')
     else
-      Tk.messageBox(:title=>'Operation not Implemented', 
-                    :message=>'Wow! Unknown platform: ' + 
+      Tk.messageBox(:title=>'Operation not Implemented',
+                    :message=>'Wow! Unknown platform: ' +
                     Tk::TCL_PLATFORM('platform'))
     end
   ensure
@@ -1025,7 +1025,7 @@ def printTextWin32(fname)
   pcmd.gsub!('%1', fname)
   puts pcmd
   cmd = Tk.tk_call('auto_execok', 'start') + ' /min ' + pcmd
-  
+
   msg = `#{cmd}`
   unless $?.exitstatus == 0
     fail RuntimeError, msg
@@ -1037,16 +1037,16 @@ end
 #      Pops up a message box with an "about" message
 #
 def aboutBox
-  Tk.messageBox('icon'=>'info', 'type'=>'ok', 'title'=>'About Widget Demo', 
-                'message'=>"Ruby/Tk widget demonstration Ver.1.7.1-en\n\n" + 
-                           "based on demos of Tk8.1 -- 8.5  " + 
-                           "( Copyright of Tcl/Tk demos:: " + 
-                           "(c) 1996-1997 Sun Microsystems, Inc. / " + 
-                           "(c) 1997-2000 Ajuba Solutions, Inc. / " + 
-                           "(c) 2001-2007 Donal K. Fellows / " + 
+  Tk.messageBox('icon'=>'info', 'type'=>'ok', 'title'=>'About Widget Demo',
+                'message'=>"Ruby/Tk widget demonstration Ver.1.7.1-en\n\n" +
+                           "based on demos of Tk8.1 -- 8.5  " +
+                           "( Copyright of Tcl/Tk demos:: " +
+                           "(c) 1996-1997 Sun Microsystems, Inc. / " +
+                           "(c) 1997-2000 Ajuba Solutions, Inc. / " +
+                           "(c) 2001-2007 Donal K. Fellows / " +
                            "(c) 2002-2007 Daniel A. Steffen )\n\n" +
-                           "Your Ruby & Tk Version ::\n" + 
-                           "Ruby#{RUBY_VERSION}(#{RUBY_RELEASE_DATE})[#{RUBY_PLATFORM}] / Tk#{$tk_patchlevel}#{(Tk::JAPANIZED_TK)? '-jp': ''}\n\n" + 
+                           "Your Ruby & Tk Version ::\n" +
+                           "Ruby#{RUBY_VERSION}(#{RUBY_RELEASE_DATE})[#{RUBY_PLATFORM}] / Tk#{$tk_patchlevel}#{(Tk::JAPANIZED_TK)? '-jp': ''}\n\n" +
                            "Ruby/Tk release date :: tcltklib #{TclTkLib::RELEASE_DATE}; tk #{Tk::RELEASE_DATE}")
 end
 
@@ -1060,11 +1060,11 @@ else
   # show the root widget to make it lower then demo windows
   Tk.update
 end
-ARGV.each{|cmd| 
+ARGV.each{|cmd|
   if cmd =~ /(.*).rb/
     cmd = $1
   end
-  #eval(IO.readlines("#{[$demo_dir, cmd].join(File::Separator)}.rb").join, 
+  #eval(IO.readlines("#{[$demo_dir, cmd].join(File::Separator)}.rb").join,
   #     _null_binding)
   eval_samplecode(IO.readlines("#{[$demo_dir, cmd].join(File::Separator)}.rb").join, cmd + '.rb')
 }
diff --git a/ext/tk/sample/demos-jp/README b/ext/tk/sample/demos-jp/README
index 42bec16c60..6375800232 100644
--- a/ext/tk/sample/demos-jp/README
+++ b/ext/tk/sample/demos-jp/README
@@ -1,11 +1,11 @@
 
-  Ruby/Tk widget-demo 
+  Ruby/Tk widget-demo
                               version 1.2 ( 2000/04/08 )
                               ｱﾊｰ譯ﾃﾎﾇｽ｡･ｶ蟷ｩﾂ (nagai@ai.kyutech.ac.jp)
 
-ﾉｸｽ猊ﾛﾉﾛ､ﾎ Tcl/Tk ｳﾈﾄ･･ﾑ･ﾃ･ｱ｡ｼ･ｸ､ｼ隍ｹ､､ﾀ Ruby (ｰﾊｲｼ Ruby/Tk ､ﾈｸﾆ､ﾓ､ﾞ､ｹ) 
+ﾉｸｽ猊ﾛﾉﾛ､ﾎ Tcl/Tk ｳﾈﾄ･･ﾑ･ﾃ･ｱ｡ｼ･ｸ､ｼ隍ｹ､､ﾀ Ruby (ｰﾊｲｼ Ruby/Tk ､ﾈｸﾆ､ﾓ､ﾞ､ｹ)
 ､ﾇ､ﾏ｡､Tk widget ､ﾍﾑ､､､ｿ GUI ､ﾎｺﾀｮ､ｹﾔ､ｦ､ｳ､ﾈ､ｬ､ﾇ､ｭ､ﾞ､ｹ｡･ｼﾂｺﾝ､ﾋ GUI ､ｺﾀｮ
-､ｷ､ﾆ､､､ｯｾｹ遉ﾋ､ﾏﾍﾍ｡ｹ､ﾊｼﾂﾎ网ｬ･ｵ･･ﾗ･､ﾈ､ｷ､ﾆﾂｸｺﾟ､ｹ､､ﾈﾊﾘﾍ､ﾊ､ﾎ､ﾇ､ｹ､ｬ｡､Ruby/Tk 
+､ｷ､ﾆ､､､ｯｾｹ遉ﾋ､ﾏﾍﾍ｡ｹ､ﾊｼﾂﾎ网ｬ･ｵ･･ﾗ･､ﾈ､ｷ､ﾆﾂｸｺﾟ､ｹ､､ﾈﾊﾘﾍ､ﾊ､ﾎ､ﾇ､ｹ､ｬ｡､Ruby/Tk
 ､ﾋ､ﾏ､ｽ､ﾎ､隍ｦ､ﾊﾅｬﾅ､ﾊ･ｵ･･ﾗ･･ｹ･ｯ･･ﾗ･ﾈｽｸｹ遉ﾏﾂｸｺﾟ､ｷ､ﾞ､ｻ､､ﾇ､ｷ､ｿ｡･､ｽ､､ﾋﾂﾐ､ｷ｡､
 ｳﾈﾄ･･ﾑ･ﾃ･ｱ｡ｼ･ｸ､ﾎｸｵ､ﾇ､｢､ Tcl/Tk ､ﾋ､ﾏ｡､Tk widget ､ﾍﾑ､､､ﾆ､ﾉ､ﾎ､隍ｦ､ﾊ､ｳ､ﾈ､ｬ､ﾇ
 ､ｭ､､ｫ､ｼｨ､ｹ､筅ﾎ､ﾈ､ｷ､ﾆ widget-demo ､ｬﾂｸｺﾟ､ｷ､ｪ､遙､Tcl/Tk ､ﾍﾑ､､､ｿ GUI ､ﾎｺﾀｮ
@@ -34,21 +34,21 @@ Tcl/Tk 
 ､ﾇ､ｷ､遉ｦ｡･Ruby/Tk ﾈﾇ､ﾎｵｭｽﾒ､ widget-demo ､ Tcl/Tk ﾈﾇ､ﾎｵｭｽﾒ､ﾋｶ皃､､筅ﾎ､ﾋ､ｷ､ﾆ
 ､ｪ､ｱ､ﾐ｡､､ｽ､ﾎﾂﾐﾈ讀ﾋ､隍ﾃ､ﾆ｡､Ruby/Tk ､ﾎﾍｲ､ﾁ皃皃､ｳ､ﾈ､ｬ､ﾇ､ｭ､､ﾈｹﾍ､ｨ､鬢､ﾞ､ｹ｡･
 ｰﾃｶ Ruby/Tk ､ﾇ､ﾎ ｳﾆ widget ､ﾎｻﾈﾍﾑﾊﾋ｡､ｽｬﾆﾀ､ｷ､ﾆ､ｷ､ﾞ､ｨ､ﾐ｡､Ruby ､鬢ｷ､､･ｹ･ｯ･
-･ﾗ･ﾈ､ｺﾀｮ､ｹ､､ｳ､ﾈ､ﾏﾆ､ｷ､ｯ､ﾊ､､､ﾇ､ｷ､遉ｦ｡･ﾋﾜ･｢｡ｼ･ｫ･､･ﾖ､ﾎ･ｹ･ｯ･･ﾗ･ﾈ､ﾏ｡､Ruby/Tk 
+･ﾗ･ﾈ､ｺﾀｮ､ｹ､､ｳ､ﾈ､ﾏﾆ､ｷ､ｯ､ﾊ､､､ﾇ､ｷ､遉ｦ｡･ﾋﾜ･｢｡ｼ･ｫ･､･ﾖ､ﾎ･ｹ･ｯ･･ﾗ･ﾈ､ﾏ｡､Ruby/Tk
 ､ｺﾇｽ鬢ﾋｽｬﾆﾀ､ｹ､､ﾞ､ﾇ､ﾎﾆｧﾂ讀ﾈ､ｷ､ﾆﾍﾍﾑ､ｷ､ﾆ､､､ｿ､ﾀ､ｱ､､ﾐｹｬ､､､ﾇ､ｹ｡･
 
 widget-demo ､ﾎｰﾜｿ｢､ﾋ､｢､ｿ､ﾃ､ﾆ､ﾏ｡､ｼ｡､ﾎﾊ､ﾋ､箍ﾜｿ｢､ｷ､ｿ･ｹ･ｯ･･ﾗ･ﾈ､ﾄｶ｡､ｷ､ﾆ､､､ｿ､ﾀ
 ､ｭ､ﾞ､ｷ､ｿ｡･､ｳ､ｳ､ﾋｴｶｼﾕ､ﾎｰﾕ､ﾉｽ､ｷ､ﾞ､ｹ｡･
 
-    ﾎｩﾀﾐ｡JAIST (ttate@jaist.ac.jp) ､ｵ､ 
+    ﾎｩﾀﾐ｡JAIST (ttate@jaist.ac.jp) ､ｵ､
     ﾊｿｾｾｾﾍｻﾋ (hiramatu@cdrom.co.jp) ､ｵ､
 
-ﾊｿｾｾ､ｵ､､ﾋ､隍 Ruby/Tk ﾆﾌ遉ﾎ Web page (http://www.cdrom.co.jp/~hiramatu/) 
+ﾊｿｾｾ､ｵ､､ﾋ､隍 Ruby/Tk ﾆﾌ遉ﾎ Web page (http://www.cdrom.co.jp/~hiramatu/)
 ､ Ruby/Tk ､ﾎｽｬﾆﾀ､ﾋﾍｭﾍﾑ､ﾈｻﾗ､ｨ､ﾞ､ｹ､ﾎ､ﾇ｡､､ｼ､ﾒ､ｴｻｲｾﾈ､ｯ､ﾀ､ｵ､､｡･
 
 ､ﾞ､ｿ｡､ﾁｰｶｶ (maebashi@iij.ad.jp) ､ｵ､､､ﾏ､ｸ､皃ﾈ､ｷ､ﾆ｡､widget-demo ､ﾎｰﾜｿ｢､ﾋｺﾝ､ｷ
 ､ﾆﾉｬﾍﾗ､ﾈ､ﾊ､ﾃ､ｿ Ruby ､ﾎ Tk ｴﾘﾏ｢･鬣､･ﾖ･鬣ｽ､ﾀｵ､ﾋ､ﾄ､､､ﾆ｡､ﾌ萃ﾅﾀ｡､･ﾐ･ｰ､ﾎｻﾘﾅｦ､､ｷ
 ､ﾆ､､､ｿ､ﾀ､､､ｿﾊ｡ｹ､ﾋ､箒ｶｼﾕﾃﾗ､ｷ､ﾞ､ｹ｡･
 
-､ｽ､ｷ､ﾆｺﾇｸ螟ﾋｺﾇﾂ遉ﾎｴｶｼﾕ､ Ruby ﾀﾟｷﾗｼﾔ､ﾎ ､ﾞ､ﾄ､筅ﾈ ､讀ｭ､ﾒ､ (matz@netlab.co.jp) 
+､ｽ､ｷ､ﾆｺﾇｸ螟ﾋｺﾇﾂ遉ﾎｴｶｼﾕ､ Ruby ﾀﾟｷﾗｼﾔ､ﾎ ､ﾞ､ﾄ､筅ﾈ ､讀ｭ､ﾒ､ (matz@netlab.co.jp)
 ､ｵ､､ﾋﾊ､ｲ､ｿ､､､ﾈｻﾗ､､､ﾞ､ｹ｡･
diff --git a/ext/tk/sample/demos-jp/browse1 b/ext/tk/sample/demos-jp/browse1
index 03e251035a..568892e4a8 100644
--- a/ext/tk/sample/demos-jp/browse1
+++ b/ext/tk/sample/demos-jp/browse1
@@ -1,16 +1,16 @@
 #!/usr/bin/env ruby
 
 # browse --
-# This script generates a directory browser, which lists the working 
-# directory and allow you to open files or subdirectories by 
-# double-clicking. 
+# This script generates a directory browser, which lists the working
+# directory and allow you to open files or subdirectories by
+# double-clicking.
 
 require 'tk'
 
-# Create a scrollbar on the right side of the main window and a listbox 
+# Create a scrollbar on the right side of the main window and a listbox
 # on the left side.
 
-listbox = TkListbox.new(nil, 'relief'=>'sunken', 
+listbox = TkListbox.new(nil, 'relief'=>'sunken',
 			'width'=>20, 'height'=>20, 'setgrid'=>'yes') {|l|
   TkScrollbar.new(nil, 'command'=>proc{|*args| l.yview *args}) {|s|
     pack('side'=>'right', 'fill'=>'y')
@@ -23,10 +23,10 @@ listbox = TkListbox.new(nil, 'relief'=>'sunken',
 root = TkRoot.new
 root.minsize(1,1)
 
-# The procedure below is invoked to open a browser on a given file;  if the 
-# file is a directory then another instance of this program is invoked; if 
-# the file is a regular file then the Mx editor is invoked to display 
-# the file. 
+# The procedure below is invoked to open a browser on a given file;  if the
+# file is a directory then another instance of this program is invoked; if
+# the file is a regular file then the Mx editor is invoked to display
+# the file.
 
 def browse (dir, file)
   file = dir + File::Separator + file if dir != '.'
@@ -46,7 +46,7 @@ def browse (dir, file)
   end
 end
 
-# Fill the listbox with a list of all the files in the directory (run 
+# Fill the listbox with a list of all the files in the directory (run
 # the "ls" command to get that information).
 
 dir = ARGV[0] ?  ARGV[0] : '.'
@@ -57,7 +57,7 @@ open("|ls -a #{dir}", 'r'){|fid| fid.readlines}.each{|fname|
 # Set up bindings for the browser.
 
 Tk.bind_all('Control-c', proc{root.destroy})
-listbox.bind('Double-Button-1', 
+listbox.bind('Double-Button-1',
 	     proc{TkSelection.get.each{|f| browse dir, f}})
 
 Tk.mainloop
diff --git a/ext/tk/sample/demos-jp/browse2 b/ext/tk/sample/demos-jp/browse2
index edad04dbcb..1a511c8d29 100644
--- a/ext/tk/sample/demos-jp/browse2
+++ b/ext/tk/sample/demos-jp/browse2
@@ -1,9 +1,9 @@
 #!/usr/bin/env ruby
 
 # browse --
-# This script generates a directory browser, which lists the working 
-# directory and allow you to open files or subdirectories by 
-# double-clicking. 
+# This script generates a directory browser, which lists the working
+# directory and allow you to open files or subdirectories by
+# double-clicking.
 
 require 'tk'
 
@@ -19,9 +19,9 @@ class Browse
       title('Browse : ' + dir)
     }
 
-    # Create a scrollbar on the right side of the main window and a listbox 
+    # Create a scrollbar on the right side of the main window and a listbox
     # on the left side.
-    list = TkListbox.new(base, 'relief'=>'sunken', 
+    list = TkListbox.new(base, 'relief'=>'sunken',
 			 'width'=>20, 'height'=>20, 'setgrid'=>'yes') {|l|
       TkScrollbar.new(base, 'command'=>proc{|*args| l.yview *args}) {|s|
 	pack('side'=>'right', 'fill'=>'y')
@@ -30,7 +30,7 @@ class Browse
 
       pack('side'=>'left', 'fill'=>'both', 'expand'=>'yes')
 
-      # Fill the listbox with a list of all the files in the directory (run 
+      # Fill the listbox with a list of all the files in the directory (run
       # the "ls" command to get that information).
       open("|ls -a #{dir}", 'r'){|fid| fid.readlines}.each{|fname|
 	l.insert('end', fname.chomp)
@@ -44,14 +44,14 @@ class Browse
 		                Browse::BROWSE_WIN_COUNTER.to_i - 1
 	      })
     base.bind('Control-c', proc{base.destroy})
-    list.bind('Double-Button-1', 
+    list.bind('Double-Button-1',
 	 proc{TkSelection.get.each{|f| self.browse dir, f}})
   end
 
-  # The method below is invoked to open a browser on a given file;  if the 
-  # file is a directory then another instance of this program is invoked; if 
-  # the file is a regular file then the Mx editor is invoked to display 
-  # the file. 
+  # The method below is invoked to open a browser on a given file;  if the
+  # file is a directory then another instance of this program is invoked; if
+  # the file is a regular file then the Mx editor is invoked to display
+  # the file.
   def browse (dir, file)
     file = dir + File::Separator + file if dir != '.'
     type = File.ftype(file)
diff --git a/ext/tk/sample/demos-jp/doc.org/license.terms b/ext/tk/sample/demos-jp/doc.org/license.terms
index 03ca6fcb31..c0a44d3fc2 100644
--- a/ext/tk/sample/demos-jp/doc.org/license.terms
+++ b/ext/tk/sample/demos-jp/doc.org/license.terms
@@ -28,7 +28,7 @@ MODIFICATIONS.
 
 GOVERNMENT USE: If you are acquiring this software on behalf of the
 U.S. government, the Government shall have only "Restricted Rights"
-in the software and related documentation as defined in the Federal 
+in the software and related documentation as defined in the Federal
 Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2).  If you
 are acquiring the software on behalf of the Department of Defense, the
 software shall be classified as "Commercial Computer Software" and the
diff --git a/ext/tk/sample/demos-jp/doc.org/license.terms.tk80 b/ext/tk/sample/demos-jp/doc.org/license.terms.tk80
index 03ca6fcb31..c0a44d3fc2 100644
--- a/ext/tk/sample/demos-jp/doc.org/license.terms.tk80
+++ b/ext/tk/sample/demos-jp/doc.org/license.terms.tk80
@@ -28,7 +28,7 @@ MODIFICATIONS.
 
 GOVERNMENT USE: If you are acquiring this software on behalf of the
 U.S. government, the Government shall have only "Restricted Rights"
-in the software and related documentation as defined in the Federal 
+in the software and related documentation as defined in the Federal
 Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2).  If you
 are acquiring the software on behalf of the Department of Defense, the
 software shall be classified as "Commercial Computer Software" and the
diff --git a/ext/tk/sample/demos-jp/ixset b/ext/tk/sample/demos-jp/ixset
index 46c2378073..40a77f487c 100644
--- a/ext/tk/sample/demos-jp/ixset
+++ b/ext/tk/sample/demos-jp/ixset
@@ -164,9 +164,9 @@ class Xsettings
     #
     bell = TkFrame.new(@root, 'relief'=>'raised', 'borderwidth'=>2)
     l = TkLabel.new(bell, 'text'=>'Bell Settings')
-    @w_bellvol = TkScale.new(bell, 'from'=>0, 'to'=>100, 'length'=>200, 
-			     'tickinterval'=>20, 'orient'=>'horizontal', 
-			     'label'=>"Volume (%)") 
+    @w_bellvol = TkScale.new(bell, 'from'=>0, 'to'=>100, 'length'=>200,
+			     'tickinterval'=>20, 'orient'=>'horizontal',
+			     'label'=>"Volume (%)")
 
     f = TkFrame.new(bell)
     @w_bellpit = LabelEntry.new(f, "Pitch (Hz)", 6)
@@ -180,13 +180,13 @@ class Xsettings
 
     #
     # Keyboard settings
-    # 
+    #
     kbdonoff = nil
     kbdcli = nil
     kbd = TkFrame.new(@root, 'relief'=>'raised', 'borderwidth'=>2)
     l = TkLabel.new(kbd, 'text'=>'Keyboard Repeat Settings')
     f = TkFrame.new(kbd)
-    @w_kbdonoff = TkCheckButton.new(f, 'text'=>'On', 'relief'=>'flat', 
+    @w_kbdonoff = TkCheckButton.new(f, 'text'=>'On', 'relief'=>'flat',
 				    'onvalue'=>'on', 'offvalue'=>'off',
 				    'variable'=>@w_kbdrep ) {
       def self.set(value)
@@ -198,8 +198,8 @@ class Xsettings
       end
       pack('side'=>'left', 'expand'=>'yes', 'fill'=>'both')
     }
-    @w_kbdcli = TkScale.new(f, 'from'=>0, 'to'=>100, 'length'=>200, 
-			 'tickinterval'=>20, 'orient'=>'horizontal', 
+    @w_kbdcli = TkScale.new(f, 'from'=>0, 'to'=>100, 'length'=>200,
+			 'tickinterval'=>20, 'orient'=>'horizontal',
 			 'label'=>'Click Volume (%)')
     @w_kbdcli.pack('side'=>'left', 'expand'=>'yes')
     l.pack('side'=>'top', 'expand'=>'yes')
@@ -225,9 +225,9 @@ class Xsettings
     l = TkLabel.new(screen, 'text'=>'Screen-saver Settings')
     f = TkFrame.new(screen)
     ff1 = TkFrame.new(f)
-    [ @w_screenblank = TkRadioButton.new(ff1, 'text'=>'Blank', 
-					 'relief'=>'flat', 
-					 'variable'=>@w_screenbla, 
+    [ @w_screenblank = TkRadioButton.new(ff1, 'text'=>'Blank',
+					 'relief'=>'flat',
+					 'variable'=>@w_screenbla,
 					 'value'=>'blank') {
 	def self.set(value)
 	  if value == 'blank'
@@ -236,10 +236,10 @@ class Xsettings
 	    self.deselect
 	  end
 	end
-      }, 
-      @w_screenpat = TkRadioButton.new(ff1, 'text'=>'Pattern', 
-				       'relief'=>'flat', 
-				       'variable'=>@w_screenbla, 
+      },
+      @w_screenpat = TkRadioButton.new(ff1, 'text'=>'Pattern',
+				       'relief'=>'flat',
+				       'variable'=>@w_screenbla,
 				       'value'=>'noblank') {
 	def self.set(value)
 	  if value != 'blank'
@@ -252,7 +252,7 @@ class Xsettings
     ].each {|w| w.pack('side'=>'top', 'pady'=>2, 'anchor'=>'w') }
 
     ff2 = TkFrame.new(f)
-    [ @w_screentim = LabelEntry.new(ff2, 'Timeout (s)', 5), 
+    [ @w_screentim = LabelEntry.new(ff2, 'Timeout (s)', 5),
       @w_screencyc = LabelEntry.new(ff2, 'Cycle (s)', 5) ].each{|w|
       w.pack('side'=>'top', 'pady'=>2, 'anchor'=>'e')
     }
diff --git a/ext/tk/sample/demos-jp/ixset2 b/ext/tk/sample/demos-jp/ixset2
index 5b816e40b1..5011dfe640 100644
--- a/ext/tk/sample/demos-jp/ixset2
+++ b/ext/tk/sample/demos-jp/ixset2
@@ -135,8 +135,8 @@ class Xsettings
     def initialize(parent, text, length, range=[])
       @frame = TkFrame.new(parent)
       TkLabel.new(@frame, 'text'=>text).pack('side'=>'left')
-      if range.size > 0 
-	@entry = TkSpinbox.new(@frame, 'width'=>length, 'relief'=>'sunken', 
+      if range.size > 0
+	@entry = TkSpinbox.new(@frame, 'width'=>length, 'relief'=>'sunken',
 			       'from'=>range[0], 'to'=>range[1])
       else
 	@entry = TkEntry.new(@frame, 'width'=>length, 'relief'=>'sunken')
@@ -165,16 +165,16 @@ class Xsettings
     # Buttons
     #
     btn_frame = TkFrame.new(@root)
-    buttons = [ 
-      @btn_OK = TkButton.new(btn_frame, 'command'=>proc{win.ok}, 
+    buttons = [
+      @btn_OK = TkButton.new(btn_frame, 'command'=>proc{win.ok},
 			     'default'=>'active', 'text'=>'ﾎｻｲ'),
-      @btn_APPLY = TkButton.new(btn_frame, 'command'=>proc{win.writesettings}, 
-				'default'=>'normal', 'text'=>'ﾅｬﾍﾑ', 
+      @btn_APPLY = TkButton.new(btn_frame, 'command'=>proc{win.writesettings},
+				'default'=>'normal', 'text'=>'ﾅｬﾍﾑ',
 				'state'=>'disabled'),
-      @btn_CANCEL = TkButton.new(btn_frame, 'command'=>proc{win.cancel}, 
-				 'default'=>'normal', 'text'=>'ｼ霎ﾃ', 
+      @btn_CANCEL = TkButton.new(btn_frame, 'command'=>proc{win.cancel},
+				 'default'=>'normal', 'text'=>'ｼ霎ﾃ',
 				'state'=>'disabled'),
-      @btn_QUIT = TkButton.new(btn_frame, 'command'=>proc{win.quit}, 
+      @btn_QUIT = TkButton.new(btn_frame, 'command'=>proc{win.quit},
 			       'default'=>'normal', 'text'=>'ﾃ貊ﾟ')
     ]
     buttons.each{|b| b.pack('side'=>'left', 'expand'=>'yes', 'pady'=>5) }
@@ -202,10 +202,10 @@ class Xsettings
     #
     # Bell settings
     #
-    bell = TkLabelframe.new(@root, 'text'=>'･ﾙ･ﾀﾟﾄ', 
+    bell = TkLabelframe.new(@root, 'text'=>'･ﾙ･ﾀﾟﾄ',
 			    'padx'=>'1.5m', 'pady'=>'1.5m')
-    @w_bellvol = TkScale.new(bell, 'from'=>0, 'to'=>100, 'length'=>200, 
-			     'tickinterval'=>20, 'orient'=>'horizontal', 
+    @w_bellvol = TkScale.new(bell, 'from'=>0, 'to'=>100, 'length'=>200,
+			     'tickinterval'=>20, 'orient'=>'horizontal',
 			     'label'=>"ｲｻﾎﾌ (%)")
 
     f = TkFrame.new(bell)
@@ -219,14 +219,14 @@ class Xsettings
 
     #
     # Keyboard settings
-    # 
+    #
     kbdonoff = nil
     kbdcli = nil
-    kbd = TkLabelframe.new(@root, 'text'=>'･ｭ｡ｼ･ﾜ｡ｼ･ﾉ･･ﾔ｡ｼ･ﾈﾀﾟﾄ', 
+    kbd = TkLabelframe.new(@root, 'text'=>'･ｭ｡ｼ･ﾜ｡ｼ･ﾉ･･ﾔ｡ｼ･ﾈﾀﾟﾄ',
 			   'padx'=>'1.5m', 'pady'=>'1.5m')
     f = TkFrame.new(kbd)
-    @w_kbdonoff = TkCheckButton.new(f, 'text'=>'･ｯ･･ﾃ･ｯｲｻ､｢､', 
-				    'relief'=>'flat', 
+    @w_kbdonoff = TkCheckButton.new(f, 'text'=>'･ｯ･･ﾃ･ｯｲｻ､｢､',
+				    'relief'=>'flat',
 				    'onvalue'=>'on', 'offvalue'=>'off',
 				    'variable'=>@w_kbdrep ) {
       def self.set(value)
@@ -238,17 +238,17 @@ class Xsettings
       end
       pack('side'=>'left', 'expand'=>'yes', 'fill'=>'x', 'padx'=>[0, '1m'])
     }
-    @w_kbdcli = TkScale.new(f, 'from'=>0, 'to'=>100, 'length'=>200, 
-			 'tickinterval'=>20, 'orient'=>'horizontal', 
+    @w_kbdcli = TkScale.new(f, 'from'=>0, 'to'=>100, 'length'=>200,
+			 'tickinterval'=>20, 'orient'=>'horizontal',
 			 'label'=>'･ｯ･･ﾃ･ｯｲｻﾎﾌ (%)')
-    @w_kbdcli.pack('side'=>'left', 'expand'=>'yes', 
+    @w_kbdcli.pack('side'=>'left', 'expand'=>'yes',
 		   'fill'=>'x', 'padx'=>['1m', 0])
     f.pack('side'=>'top', 'expand'=>'yes', 'pady'=>2, 'fill'=>'x')
 
     #
     # Mouse settings
     #
-    mouse = TkLabelframe.new(@root, 'text'=>'･ﾞ･ｦ･ｹﾀﾟﾄ', 
+    mouse = TkLabelframe.new(@root, 'text'=>'･ﾞ･ｦ･ｹﾀﾟﾄ',
 			     'padx'=>'1.5m', 'pady'=>'1.5m')
     f = TkFrame.new(mouse)
     @w_mouseacc = LabelEntry.new(f, 'ｲﾃﾂｮﾎﾌ', 5)
@@ -260,11 +260,11 @@ class Xsettings
     #
     # Screen Saver settings
     #
-    screen = TkLabelframe.new(@root, 'text'=>'･ｹ･ｯ･遙ｼ･･ｻ｡ｼ･ﾐﾀﾟﾄ', 
+    screen = TkLabelframe.new(@root, 'text'=>'･ｹ･ｯ･遙ｼ･･ｻ｡ｼ･ﾐﾀﾟﾄ',
 			     'padx'=>'1.5m', 'pady'=>'1.5m')
-    @w_screenblank = TkRadioButton.new(screen, 'text'=>'･ﾖ･鬣･ｯﾉｽｼｨ', 
-				       'relief'=>'flat', 'anchor'=>'w', 
-				       'variable'=>@w_screenbla, 
+    @w_screenblank = TkRadioButton.new(screen, 'text'=>'･ﾖ･鬣･ｯﾉｽｼｨ',
+				       'relief'=>'flat', 'anchor'=>'w',
+				       'variable'=>@w_screenbla,
 				       'value'=>'blank') {
       def self.set(value)
 	if value == 'blank'
@@ -275,9 +275,9 @@ class Xsettings
       end
     }
 
-    @w_screenpat = TkRadioButton.new(screen, 'text'=>'･ﾑ･ｿ｡ｼ･ﾉｽｼｨ', 
-				     'relief'=>'flat', 'anchor'=>'w', 
-				     'variable'=>@w_screenbla, 
+    @w_screenpat = TkRadioButton.new(screen, 'text'=>'･ﾑ･ｿ｡ｼ･ﾉｽｼｨ',
+				     'relief'=>'flat', 'anchor'=>'w',
+				     'variable'=>@w_screenbla,
 				     'value'=>'noblank') {
       def self.set(value)
 	if value != 'blank'
@@ -299,7 +299,7 @@ class Xsettings
     # Main window
     #
     param = {
-      'side'=>'top', 'fill'=>'both', 'expand'=>'yes', 
+      'side'=>'top', 'fill'=>'both', 'expand'=>'yes',
       'padx'=>'1m', 'pady'=>'1m'
     }
     btn_frame.pack('side'=>'top', 'fill'=>'both')
diff --git a/ext/tk/sample/demos-jp/rmt b/ext/tk/sample/demos-jp/rmt
index 73f631180a..dcfb328fc8 100644
--- a/ext/tk/sample/demos-jp/rmt
+++ b/ext/tk/sample/demos-jp/rmt
@@ -1,9 +1,9 @@
 #!/usr/bin/env ruby
 
-# rmt -- 
-# This script implements a simple remote-control mechanism for 
-# Tk applications.  It allows you to select an application and 
-# then type commands to that application. 
+# rmt --
+# This script implements a simple remote-control mechanism for
+# Tk applications.  It allows you to select an application and
+# then type commands to that application.
 
 require 'tk'
 
@@ -17,41 +17,41 @@ class Rmt
     root = TkWinfo.toplevel(parent)
     root.minsize(1,1)
 
-    # The instance variable below keeps track of the remote application 
-    # that we're sending to.  If it's an empty string then we execute 
-    # the commands locally. 
+    # The instance variable below keeps track of the remote application
+    # that we're sending to.  If it's an empty string then we execute
+    # the commands locally.
     @app = 'local'
     @mode = 'Ruby'
 
-    # The instance variable below keeps track of whether we're in the 
-    # middle of executing a command entered via the text. 
+    # The instance variable below keeps track of whether we're in the
+    # middle of executing a command entered via the text.
     @executing = 0
 
-    # The instance variable below keeps track of the last command executed, 
-    # so it can be re-executed in response to !! commands. 
+    # The instance variable below keeps track of the last command executed,
+    # so it can be re-executed in response to !! commands.
     @lastCommand = ""
 
-    # Create menu bar.  Arrange to recreate all the information in the 
-    # applications sub-menu whenever it is cascaded to. 
+    # Create menu bar.  Arrange to recreate all the information in the
+    # applications sub-menu whenever it is cascaded to.
 
     TkFrame.new(root, 'relief'=>'raised', 'bd'=>2) {|f|
       pack('side'=>'top', 'fill'=>'x')
       TkMenubutton.new(f, 'text'=>'File', 'underline'=>0) {|mb|
 	TkMenu.new(mb) {|mf|
 	  mb.menu(mf)
-	  TkMenu.new(mf) {|ma| 
+	  TkMenu.new(mf) {|ma|
 	    postcommand proc{win.fillAppsMenu ma}
-	    mf.add('cascade', 'label'=>'Select Application', 
+	    mf.add('cascade', 'label'=>'Select Application',
 		   'menu'=>ma, 'underline'=>0)
 	  }
-	  add('command', 'label'=>'Quit', 
+	  add('command', 'label'=>'Quit',
 	      'command'=>proc{root.destroy}, 'underline'=>0)
 	}
 	pack('side'=>'left')
       }
     }
 
-    # Create text window and scrollbar. 
+    # Create text window and scrollbar.
 
     @txt = TkText.new(root, 'relief'=>'sunken', 'bd'=>2, 'setgrid'=>true) {
       yscrollbar(TkScrollbar.new(root){pack('side'=>'right', 'fill'=>'y')})
@@ -60,9 +60,9 @@ class Rmt
 
     @promptEnd = TkTextMark.new(@txt, 'insert')
 
-    # Create a binding to forward commands to the target application, 
-    # plus modify many of the built-in bindings so that only information 
-    # in the current command can be deleted (can still set the cursor 
+    # Create a binding to forward commands to the target application,
+    # plus modify many of the built-in bindings so that only information
+    # in the current command can be deleted (can still set the cursor
     # earlier in the text and select and insert;  just can't delete).
 
     @txt.bindtags([@txt, TkText, root, 'all'])
@@ -151,8 +151,8 @@ class Rmt
     w.see('insert')
   end
 
-  # The method below is used to print out a prompt at the 
-  # insertion point (which should be at the beginning of a line 
+  # The method below is used to print out a prompt at the
+  # insertion point (which should be at the beginning of a line
   # right now).
 
   def prompt
@@ -162,8 +162,8 @@ class Rmt
     @txt.tag_add('bold', "#{@promptEnd.path} linestart", @promptEnd)
   end
 
-  # The method below executes a command (it takes everything on the 
-  # current line after the prompt and either sends it to the remote 
+  # The method below executes a command (it takes everything on the
+  # current line after the prompt and either sends it to the remote
   # application or executes it locally, depending on "app".
 
   def invoke
@@ -200,8 +200,8 @@ class Rmt
       if complete
 	@lastCommand = cmd
 	begin
-#	  msg = Tk.appsend(@app, false, 
-#			   'ruby', 
+#	  msg = Tk.appsend(@app, false,
+#			   'ruby',
 #			   '"(' + cmd.gsub(/[][$"]/, '\\\\\&') + ').to_s"')
 	  msg = Tk.rb_appsend(@app, false, cmd)
 	rescue
@@ -218,10 +218,10 @@ class Rmt
   end
 
   # The following method is invoked to change the application that
-  # we're talking to.  It also updates the prompt for the current 
-  # command, unless we're in the middle of executing a command from 
-  # the text item (in which case a new prompt is about to be output 
-  # so there's no need to change the old one). 
+  # we're talking to.  It also updates the prompt for the current
+  # command, unless we're in the middle of executing a command from
+  # the text item (in which case a new prompt is about to be output
+  # so there's no need to change the old one).
 
   def newApp(appName, mode)
     @app = appName
@@ -236,7 +236,7 @@ class Rmt
   end
 
   # The method below will fill in the applications sub-menu with a list
-  # of all the applications that currently exist. 
+  # of all the applications that currently exist.
 
   def fillAppsMenu(menu)
     win = self
@@ -251,14 +251,14 @@ class Rmt
 	else
 	  mode = 'Ruby'
 	end
-	menu.add('command', 'label'=>format("%s    (#{mode}/Tk)", ip), 
+	menu.add('command', 'label'=>format("%s    (#{mode}/Tk)", ip),
 		 'command'=>proc{win.newApp ip, mode})
       rescue
-	menu.add('command', 'label'=>format("%s (unknown Tk)", ip), 
+	menu.add('command', 'label'=>format("%s (unknown Tk)", ip),
 		 'command'=>proc{win.newApp ip, mode}, 'state'=>'disabled')
       end
     }
-    menu.add('command', 'label'=>format("local    (Ruby/Tk)"), 
+    menu.add('command', 'label'=>format("local    (Ruby/Tk)"),
 	     'command'=>proc{win.newApp 'local', 'Ruby'})
   end
 end
diff --git a/ext/tk/sample/demos-jp/rolodex b/ext/tk/sample/demos-jp/rolodex
index 9f87ae2829..2cc73e128f 100644
--- a/ext/tk/sample/demos-jp/rolodex
+++ b/ext/tk/sample/demos-jp/rolodex
@@ -2,7 +2,7 @@
 #
 # rolodex --
 # This script is a part of Tom LaStrange's rolodex
-# 
+#
 # Copyright (C) 1998 by Takaaki Tateishi 
 # Time-stamp: "03/08/02 12:45:21 nagai"
 #
@@ -17,7 +17,7 @@ def show_help(topic,x=0,y=0)
       topic = w
     end
   end
-  
+
   if( $helpTopics.include?(topic) )
     msg = $helpTopics[topic]
   else
@@ -81,7 +81,7 @@ class RolodexFrame < TkFrame
   def initialize(parent=nil,keys=nil)
     super(parent,keys)
     self["relief"] = "flat"
-    
+
     @i = []
     @label = []
     @entry = []
diff --git a/ext/tk/sample/demos-jp/rolodex-j b/ext/tk/sample/demos-jp/rolodex-j
index 6c3ea7a484..ee8dd110bc 100644
--- a/ext/tk/sample/demos-jp/rolodex-j
+++ b/ext/tk/sample/demos-jp/rolodex-j
@@ -3,7 +3,7 @@
 #
 # rolodex --
 # ､ｳ､ﾎ･ｹ･ｯ･･ﾗ･ﾈ､ﾏ Tom LaStrange ､ﾎ rolodex ､ﾎｰﾉ､ﾇ､ｹ｡｣
-# 
+#
 # Copyright (C) 1998 by Takaaki Tateishi 
 # Time-stamp: "04/04/09 00:32:12 nagai"
 #
@@ -20,7 +20,7 @@ def show_help(topic,x=0,y=0)
       end
     end
   end
-  
+
   if( $helpTopics.include?(topic) )
     msg = $helpTopics[topic]
   else
diff --git a/ext/tk/sample/demos-jp/square b/ext/tk/sample/demos-jp/square
index 00bfde59ff..bb66282154 100644
--- a/ext/tk/sample/demos-jp/square
+++ b/ext/tk/sample/demos-jp/square
@@ -1,10 +1,10 @@
 #!/usr/bin/env ruby
 
 # square --
-# This script generates a demo application containing only 
-# a "square" widget.  It's only usable if Tk has been compiled 
-# with tkSquare.c and with the -DSQUARE_DEMO compiler switch. 
-# This demo arranges the following bindings for the widget: 
+# This script generates a demo application containing only
+# a "square" widget.  It's only usable if Tk has been compiled
+# with tkSquare.c and with the -DSQUARE_DEMO compiler switch.
+# This demo arranges the following bindings for the widget:
 #
 # Button-1 press/drag:          moves square to mouse
 # "a":                          toggle size animation on/off
@@ -19,7 +19,7 @@ class TkSquare "0",
 	  "command" => proc{exit}
       }
-      
+
       # File･皈ﾋ･蝪ｼ､ﾈFile･ﾜ･ｿ･､ｴﾘﾏ｢ﾉﾕ､ｱ､
       menu @file_menu
 
@@ -361,7 +361,7 @@ class TkColorBotFrame"2c", "height"=>"5c",
 			  "background"=>$color)
-    @value = TkLabel.new(self, 
+    @value = TkLabel.new(self,
 			 "text"=>$color,
 			 "width"=>"13",
 			 "font"=>"-Adobe-Courier-Medium-R-Normal--*-120-*-*-*-*-*-*")
diff --git a/ext/tk/sample/demos-jp/timer b/ext/tk/sample/demos-jp/timer
index 58a41d00c0..6cb7c87e09 100644
--- a/ext/tk/sample/demos-jp/timer
+++ b/ext/tk/sample/demos-jp/timer
@@ -69,7 +69,7 @@ class CountFrame < TkFrame
   def initialize(parent=nil,keys=nil)
     super(parent,keys)
     @counter = TkLabel.new(self,
-			   'text'=>$time, 
+			   'text'=>$time,
 			   'relief'=>'raised')
     @counter.pack('fill'=>'both')
     self
diff --git a/ext/tk/sample/demos-jp/widget b/ext/tk/sample/demos-jp/widget
index dfaa9c004e..fc3c084e9a 100644
--- a/ext/tk/sample/demos-jp/widget
+++ b/ext/tk/sample/demos-jp/widget
@@ -125,16 +125,16 @@ end
 
 # ･皈ﾋ･蝪ｼﾀﾟﾄ
 if $tk_major_ver >= 8
-  $root.add_menubar([[['File', 0], 
+  $root.add_menubar([[['File', 0],
                         ['About ... ', proc{aboutBox}, 0, ''],
-                        '---', 
+                        '---',
                         ['Quit', proc{exit}, 0, 'Ctrl-Q']
                       ]])
 else
-  TkMenubar.new($root, 
-                [[['File', 0], 
+  TkMenubar.new($root,
+                [[['File', 0],
                     ['About ... ', proc{aboutBox}, 0, ''],
-                    '---', 
+                    '---',
                     ['Quit', proc{exit}, 0, 'Ctrl-Q']
                   ]]).pack('side'=>'top', 'fill'=>'x')
 end
@@ -171,7 +171,7 @@ if $tk_version =~ /^4\.[01]/
   txt.pack('expand'=>'yes', 'fill'=>'both')
 else
   textFrame = TkFrame.new($root)
-  scr = TkScrollbar.new($root, 'orient'=>'vertical', 
+  scr = TkScrollbar.new($root, 'orient'=>'vertical',
                         'highlightthickness'=>0, 'takefocus'=>1) {
     pack('in'=>textFrame, 'side'=>'right', 'fill'=>'y', 'padx'=>1)
   }
@@ -206,10 +206,10 @@ else
       statusfont = 'Helvetica 10'
     end
     $statusBarLabel = \
-    TkLabel.new(f, 'text'=>"   ", 'relief'=>'sunken', 'bd'=>1, 'anchor'=>'w', 
+    TkLabel.new(f, 'text'=>"   ", 'relief'=>'sunken', 'bd'=>1, 'anchor'=>'w',
                 'font'=>statusfont) \
     .pack('side'=>'left', 'padx'=>2, 'expand'=>'yes', 'fill'=>'both')
-    TkLabel.new(f, 'width'=>8, 'relief'=>'sunken', 'bd'=>1, 'anchor'=>'w', 
+    TkLabel.new(f, 'width'=>8, 'relief'=>'sunken', 'bd'=>1, 'anchor'=>'w',
                 'font'=>statusfont) \
     .pack('side'=>'left', 'padx'=>2)
   }.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>2)
@@ -228,23 +228,23 @@ tag_middle = TkTextTag.new(txt, 'font'=>$kanji_font)
 tag_demospace = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c')
 
 if TkWinfo.depth($root) == 1
-  tag_demo = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c', 
+  tag_demo = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c',
                            'underline'=>1)
-  $tag_visited = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c', 
+  $tag_visited = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c',
                               'underline'=>1)
   tag_hot = TkTextTag.new(txt, 'background'=>'black', 'foreground'=>'white')
 else
-  tag_demo = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c', 
+  tag_demo = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c',
                            'foreground'=>'blue', 'underline'=>1)
-  $tag_visited = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c', 
+  $tag_visited = TkTextTag.new(txt, 'lmargin1'=>'1c', 'lmargin2'=>'1c',
                               'foreground'=>'#303080', 'underline'=>1)
-#  tag_hot = TkTextTag.new(txt, 'relief'=>'raised', 'borderwidth'=>1, 
+#  tag_hot = TkTextTag.new(txt, 'relief'=>'raised', 'borderwidth'=>1,
 #                         'background'=>'SeaGreen3')
   tag_hot = TkTextTag.new(txt, 'borderwidth'=>1, 'foreground'=>'red')
 end
 
 #tag_demo.bind('Button-1', proc{invoke txt, txt.index('current')})
-tag_demo.bind('ButtonRelease-1', 
+tag_demo.bind('ButtonRelease-1',
               proc{|x,y|invoke txt, txt.index("@#{x},#{y}")}, '%x %y')
 
 lastLine = TkVariable.new("")
@@ -255,7 +255,7 @@ tag_demo.bind('Enter', proc{|x,y|
                 showStatus txt, txt.index("@#{x},#{y}")
               },
               '%x %y')
-tag_demo.bind('Leave', 
+tag_demo.bind('Leave',
               proc{
                 tag_hot.remove('1.0','end')
                 txt.configure('cursor','xterm')
@@ -266,10 +266,10 @@ tag_demo.bind('Motion', proc{|x, y|
                 if newLine.value != lastLine.value
                   tag_hot.remove('1.0','end')
                   lastLine.value = newLine.value
-                  if ( txt.tag_names("@#{x},#{y}").find{|t| 
+                  if ( txt.tag_names("@#{x},#{y}").find{|t|
                         t.kind_of?(String) && t =~ /^demo-/
                       } )
-                    tag_hot.add(lastLine.value, 
+                    tag_hot.add(lastLine.value,
                                 "#{lastLine.value} lineend -1 chars")
                   end
                 end
@@ -321,50 +321,50 @@ Ttk 
 EOT
 
 #txt.insert('end',"･鬣ﾙ･, ･ﾜ･ｿ･, ･ﾁ･ｧ･ﾃ･ｯ･ﾜ･ｿ･, ･鬣ｸ･ｪ･ﾜ･ｿ･\n",tag_middle)
-txt.insert('end', "･鬣ﾙ･, ･ﾜ･ｿ･, ･ﾁ･ｧ･ﾃ･ｯ･ﾜ･ｿ･, ･鬣ｸ･ｪ･ﾜ･ｿ･\n", 
+txt.insert('end', "･鬣ﾙ･, ･ﾜ･ｿ･, ･ﾁ･ｧ･ﾃ･ｯ･ﾜ･ｿ･, ･鬣ｸ･ｪ･ﾜ･ｿ･\n",
            tag_kanji_title)
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "1. ･鬣ﾙ･ (･ﾆ･ｭ･ｹ･ﾈ, ･ﾓ･ﾃ･ﾈ･ﾞ･ﾃ･ﾗ)\n", 
+txt.insert('end', "1. ･鬣ﾙ･ (･ﾆ･ｭ･ｹ･ﾈ, ･ﾓ･ﾃ･ﾈ･ﾞ･ﾃ･ﾗ)\n",
            tag_demo, "demo-label")
 txt.insert('end', " \n ", tag_demospace)
 txt.insert('end', "2. ･鬣ﾙ･､ﾈUNICODE･ﾆ･ｭ･ｹ･ﾈ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n", tag_demo, "demo-unicodeout")
 txt.insert('end', " \n ", tag_demospace)
 txt.insert('end', "3. ･ﾜ･ｿ･ \n", tag_demo, "demo-button")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "4. ･ﾁ･ｧ･ﾃ･ｯ･ﾜ･ｿ･ (ﾊ｣ｿ､ﾁｪﾂｲﾄﾇｽ)\n", 
+txt.insert('end', "4. ･ﾁ･ｧ･ﾃ･ｯ･ﾜ･ｿ･ (ﾊ｣ｿ､ﾁｪﾂｲﾄﾇｽ)\n",
            tag_demo, "demo-check")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "5. ｣ｳｾﾂﾖ･ﾁ･ｧ･ﾃ･ｯ･ﾜ･ｿ･ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "5. ｣ｳｾﾂﾖ･ﾁ･ｧ･ﾃ･ｯ･ﾜ･ｿ･ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-check2")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "6. ･鬣ｸ･ｪ･ﾜ･ｿ･ (ﾇ､ｰﾕ､ﾎｰ､ﾄ､ﾁｪﾂｲﾄﾇｽ)\n", 
+txt.insert('end', "6. ･鬣ｸ･ｪ･ﾜ･ｿ･ (ﾇ､ｰﾕ､ﾎｰ､ﾄ､ﾁｪﾂｲﾄﾇｽ)\n",
            tag_demo, "demo-radio")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "7. ･鬣ｸ･ｪ･ﾜ･ｿ･ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "7. ･鬣ｸ･ｪ･ﾜ･ｿ･ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-radio2")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "8. ｣ｳｾﾂﾖ･鬣ｸ･ｪ･ﾜ･ｿ･ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "8. ｣ｳｾﾂﾖ･鬣ｸ･ｪ･ﾜ･ｿ･ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-radio3")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "9. ･ﾜ･ｿ･､ﾇｺ､鬢､ｿ15-･ﾑ･ｺ･･ｲ｡ｼ･濬n", 
+txt.insert('end', "9. ･ﾜ･ｿ･､ﾇｺ､鬢､ｿ15-･ﾑ･ｺ･･ｲ｡ｼ･濬n",
            tag_demo, "demo-puzzle")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "10. ･ﾓ･ﾃ･ﾈ･ﾞ･ﾃ･ﾗ､ｻﾈﾍﾑ､ｷ､ｿ･｢･､･ｳ･･ﾜ･ｿ･\n", 
+txt.insert('end', "10. ･ﾓ･ﾃ･ﾈ･ﾞ･ﾃ･ﾗ､ｻﾈﾍﾑ､ｷ､ｿ･｢･､･ｳ･･ﾜ･ｿ･\n",
            tag_demo, "demo-icon")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "11. ｲ霖､ﾉｽｼｨ､ｹ､ﾆ､ﾄ､ﾎ･鬣ﾙ･\n", 
+txt.insert('end', "11. ｲ霖､ﾉｽｼｨ､ｹ､ﾆ､ﾄ､ﾎ･鬣ﾙ･\n",
            tag_demo, "demo-image1")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "12. ｲ霖､ｸｫ､､ｿ､皃ﾎｴﾊﾃｱ､ﾊ･譯ｼ･ｶ･､･･ｿ｡ｼ･ﾕ･ｧ｡ｼ･ｹ\n", 
+txt.insert('end', "12. ｲ霖､ｸｫ､､ｿ､皃ﾎｴﾊﾃｱ､ﾊ･譯ｼ･ｶ･､･･ｿ｡ｼ･ﾕ･ｧ｡ｼ･ｹ\n",
            tag_demo, "demo-image2")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "13. ｲ霖､ｸｫ､､ｿ､皃ﾎｴﾊﾃｱ､ﾊ･譯ｼ･ｶ･､･･ｿ｡ｼ･ﾕ･ｧ｡ｼ･ｹ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "13. ｲ霖､ｸｫ､､ｿ､皃ﾎｴﾊﾃｱ､ﾊ･譯ｼ･ｶ･､･･ｿ｡ｼ･ﾕ･ｧ｡ｼ･ｹ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-image3")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "14. ･鬣ﾙ･ﾉﾕ､ｭ･ﾕ･｡ｼ･ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "14. ･鬣ﾙ･ﾉﾕ､ｭ･ﾕ･｡ｼ･ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-labelframe")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "15. ･ﾆ｡ｼ･ﾞ､ﾋﾂﾐｱ､ｷ､ｿ･ｦ･｣･ｸ･ｧ･ﾃ･ﾈ､ﾎｴﾊﾃｱ､ﾊﾎ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "15. ･ﾆ｡ｼ･ﾞ､ﾋﾂﾐｱ､ｷ､ｿ･ｦ･｣･ｸ･ｧ･ﾃ･ﾈ､ﾎｴﾊﾃｱ､ﾊﾎ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-ttkbut")
 txt.insert('end', " \n ", tag_demospace)
 
@@ -374,15 +374,15 @@ txt.insert('end', "
 txt.insert('end', " \n ", tag_demospace)
 txt.insert('end', "1. ﾅﾔﾆｻﾉﾜｸｩ.\n", tag_demo, "demo-states")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "2. ｿｧ: ･｢･ﾗ･･ｱ｡ｼ･ｷ･逾､ﾎ､ｿ､皃ﾎﾇﾛｿｧ､ﾊﾑ､ｨ､\n", 
+txt.insert('end', "2. ｿｧ: ･｢･ﾗ･･ｱ｡ｼ･ｷ･逾､ﾎ､ｿ､皃ﾎﾇﾛｿｧ､ﾊﾑ､ｨ､\n",
            "#{tag_demo.id} demo-colors")
 txt.insert('end', " \n ", tag_demospace)
 txt.insert('end', "3. ｳﾊｸﾀｽｸ\n", tag_demo, "demo-sayings")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "4. ｹ､ﾋ､ﾄ､､､ﾆ､ﾎ･ﾞ･･ﾁ･ｫ･鬣爭･ｹ･ﾈ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "4. ｹ､ﾋ､ﾄ､､､ﾆ､ﾎ･ﾞ･･ﾁ･ｫ･鬣爭･ｹ･ﾈ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-mclist")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "5. ･ﾇ･｣･･ｯ･ﾈ･･ﾖ･鬣ｦ･ｶ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "5. ･ﾇ･｣･･ｯ･ﾈ･･ﾖ･鬣ｦ･ｶ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-tree")
 txt.insert('end', " \n ", tag_demospace)
 
@@ -394,13 +394,13 @@ txt.insert('end', "1. 
 txt.insert('end', " \n ", tag_demospace)
 txt.insert('end', "2. ･ｹ･ｯ･｡ｼ･･ﾐ｡ｼ､｢､鷭n", tag_demo, "demo-entry2")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "3. ﾇｧｾﾚｽ靉ﾉﾕ､ｭ､ﾎ･ｨ･･ﾈ･･ﾜ･ﾃ･ｯ･ｹ､ﾈ･ﾑ･ｹ･｡ｼ･ﾉ･ﾕ･｣｡ｼ･･ﾉ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "3. ﾇｧｾﾚｽ靉ﾉﾕ､ｭ､ﾎ･ｨ･･ﾈ･･ﾜ･ﾃ･ｯ･ｹ､ﾈ･ﾑ･ｹ･｡ｼ･ﾉ･ﾕ･｣｡ｼ･･ﾉ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-entry3")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "4. ･ｹ･ﾔ･･ﾜ･ﾃ･ｯ･ｹ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "4. ･ｹ･ﾔ･･ﾜ･ﾃ･ｯ･ｹ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-spin")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "5. ･ｳ･･ﾜ･ﾜ･ﾃ･ｯ･ｹ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "5. ･ｳ･･ﾜ･ﾜ･ﾃ･ｯ･ｹ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-combo")
 txt.insert('end', " \n ", tag_demospace)
 txt.insert('end', "6. ｴﾊﾃｱ､ﾊ･ﾕ･ｩ｡ｼ･濬n", tag_demo, "demo-form")
@@ -414,13 +414,13 @@ txt.insert('end', "1. 
 txt.insert('end', " \n ", tag_demospace)
 txt.insert('end', "2. ﾉｽｼｨ･ｹ･ｿ･､･.\n", tag_demo, "demo-style")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "3. ･ﾏ･､･ﾑ｡ｼ･ﾆ･ｭ･ｹ･ﾈ(･ｿ･ｰ･ﾐ･､･･ﾉ).\n", 
+txt.insert('end', "3. ･ﾏ･､･ﾑ｡ｼ･ﾆ･ｭ･ｹ･ﾈ(･ｿ･ｰ･ﾐ･､･･ﾉ).\n",
            tag_demo, "demo-bind")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "4. ･ｦ･｣･･ﾉ･ｦ､ﾋ荀盪､､ﾀ･ﾆ･ｭ･ｹ･ﾈ\n", 
+txt.insert('end', "4. ･ｦ･｣･･ﾉ･ｦ､ﾋ荀盪､､ﾀ･ﾆ･ｭ･ｹ･ﾈ\n",
            tag_demo, "demo-twind")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "5. ･ｦ･｣･･ﾉ･ｦ､ﾋ荀盪､､ﾀ･ﾆ･ｭ･ｹ･ﾈ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "5. ･ｦ･｣･･ﾉ･ｦ､ﾋ荀盪､､ﾀ･ﾆ･ｭ･ｹ･ﾈ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-twind2")
 txt.insert('end', " \n ", tag_demospace)
 txt.insert('end', "6. ｸ｡ｺ\n", tag_demo, "demo-search")
@@ -446,10 +446,10 @@ txt.insert('end', "6. 
 txt.insert('end', " \n ", tag_demospace)
 txt.insert('end', "7. ･ﾕ･･｢･ﾗ･鬣 (ｰﾛ､ﾊ､･ｭ･罕･ﾐ･ｹ･｢･､･ﾆ･犲ﾀｮﾊﾋ｡､ｻﾈﾍﾑ)\n", tag_demo, "demo-floor2")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "8. ･ｹ･ｯ･｡ｼ･ｲﾄﾇｽ､ﾊ･ｭ･罕･ﾐ･ｹ\n", 
+txt.insert('end', "8. ･ｹ･ｯ･｡ｼ･ｲﾄﾇｽ､ﾊ･ｭ･罕･ﾐ･ｹ\n",
            tag_demo, "demo-cscroll")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "9. ･ﾁ･ｧ･ｹ･ﾜ｡ｼ･ﾉｾ螟ﾎｵｳｻﾎ､ﾎｽ茣 (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "9. ･ﾁ･ｧ･ｹ･ﾜ｡ｼ･ﾉｾ螟ﾎｵｳｻﾎ､ﾎｽ茣 (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-knightstour")
 txt.insert('end', " \n ", tag_demospace)
 
@@ -467,16 +467,16 @@ txt.insert('end', " \n ", tag_demospace)
 txt.insert('end', "\n")
 txt.insert('end', "･ﾚ･､･･ﾉ･ｦ･｣･･ﾉ･ｦ､ﾈ･ﾎ｡ｼ･ﾈ･ﾖ･ﾃ･ｯ\n", tag_kanji_title)
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "1. ｿ衞ｿﾊｸ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "1. ｿ衞ｿﾊｸ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n",
            tag_demo.id, "demo-paned1")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "2. ｿ籠ｾﾊｸ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "2. ｿ籠ｾﾊｸ (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n",
            tag_demo.id, "demo-paned2")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "3. ･ﾆ｡ｼ･ﾞ､ﾋﾂﾐｱ､ｷ､ｿﾋ荀盪､ﾟ･ﾚ･､･ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "3. ･ﾆ｡ｼ･ﾞ､ﾋﾂﾐｱ､ｷ､ｿﾋ荀盪､ﾟ･ﾚ･､･ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n",
            tag_demo.id, "demo-ttkpane")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "4. ･ﾎ｡ｼ･ﾈ･ﾖ･ﾃ･ｯ･ｦ･｣･ｸ･ｧ･ﾃ･ﾈ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "4. ･ﾎ｡ｼ･ﾈ･ﾖ･ﾃ･ｯ･ｦ･｣･ｸ･ｧ･ﾃ･ﾈ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n",
            tag_demo.id, "demo-ttknote")
 txt.insert('end', " \n ", tag_demospace)
 
@@ -484,22 +484,22 @@ txt.insert('end', "\n")
 #txt.insert('end', "･皈ﾋ･蝪ｼ､ﾈ･ﾄ｡ｼ･･ﾐ｡ｼ\n", tag_middle)
 txt.insert('end', "･皈ﾋ･蝪ｼ､ﾈ･ﾄ｡ｼ･･ﾐ｡ｼ\n", tag_kanji_title)
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "1. ･皈ﾋ･蝪ｼ､ﾈ･ｫ･ｹ･ｱ｡ｼ･ﾉ､ｴﾞ､､ﾀ･ｦ･｣･･ﾉ･ｦ\n", 
+txt.insert('end', "1. ･皈ﾋ･蝪ｼ､ﾈ･ｫ･ｹ･ｱ｡ｼ･ﾉ､ｴﾞ､､ﾀ･ｦ･｣･･ﾉ･ｦ\n",
            tag_demo, "demo-menu")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "2. ･皈ﾋ･蝪ｼ､ﾈ･ｫ･ｹ･ｱ｡ｼ･ﾉ､ｴﾞ､､ﾀ･ｦ･｣･･ﾉ･ｦ (Tk8.x ﾀﾍﾑ)\n", 
+txt.insert('end', "2. ･皈ﾋ･蝪ｼ､ﾈ･ｫ･ｹ･ｱ｡ｼ･ﾉ､ｴﾞ､､ﾀ･ｦ･｣･･ﾉ･ｦ (Tk8.x ﾀﾍﾑ)\n",
            tag_demo, "demo-menu8x")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "3.                 ｡ｷ                (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "3.                 ｡ｷ                (ｵ｡ﾇｽ､ﾋﾂﾐｱ､ｷ､ｿ･ﾐ｡ｼ･ｸ･逾､ﾎTk､ｬﾉｬﾍﾗ)\n",
            tag_demo, "demo-menu84")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "4. ･皈ﾋ･蝪ｼ･ﾜ･ｿ･ (Tk8.x ﾀﾍﾑ)\n", 
+txt.insert('end', "4. ･皈ﾋ･蝪ｼ･ﾜ･ｿ･ (Tk8.x ﾀﾍﾑ)\n",
            tag_demo, "demo-menubu")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "5. ･ﾆ｡ｼ･ﾞ､ﾋﾂﾐｱ､ｷ､ｿ･皈ﾋ･蝪ｼ･ﾜ･ｿ･ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "5. ･ﾆ｡ｼ･ﾞ､ﾋﾂﾐｱ､ｷ､ｿ･皈ﾋ･蝪ｼ･ﾜ･ｿ･ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n",
            tag_demo.id, "demo-ttkmenu")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "6. ･ﾆ｡ｼ･ﾞ､ﾋﾂﾐｱ､ｷ､ｿ･ﾄ｡ｼ･･ﾐ｡ｼ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n", 
+txt.insert('end', "6. ･ﾆ｡ｼ･ﾞ､ﾋﾂﾐｱ､ｷ､ｿ･ﾄ｡ｼ･･ﾐ｡ｼ (Tile/Ttkｳﾈﾄ･､ﾘ､ﾎﾂﾐｱ､ｬﾉｬﾍﾗ)\n",
            tag_demo.id, "demo-toolbar")
 txt.insert('end', " \n ", tag_demospace)
 
@@ -534,10 +534,10 @@ txt.insert('end', "
 txt.insert('end', " \n ", tag_demospace)
 txt.insert('end', "1. ﾁﾈ､ﾟｹ､ﾟ､ﾎ･ﾓ･ﾃ･ﾈ･ﾞ･ﾃ･ﾗ\n", tag_demo, "demo-bitmap")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "2. ･筍ｼ･ﾀ･･ﾀ･､･｢･･ｰ(･｡ｼ･ｫ･･ｰ･鬣ﾖ)\n", 
+txt.insert('end', "2. ･筍ｼ･ﾀ･･ﾀ･､･｢･･ｰ(･｡ｼ･ｫ･･ｰ･鬣ﾖ)\n",
            tag_demo, "demo-dialog1")
 txt.insert('end', " \n ", tag_demospace)
-txt.insert('end', "3. ･筍ｼ･ﾀ･･ﾀ･､･｢･･ｰ(･ｰ･｡ｼ･ﾐ･･ｰ･鬣ﾖ)\n", 
+txt.insert('end', "3. ･筍ｼ･ﾀ･･ﾀ･､･｢･･ｰ(･ｰ･｡ｼ･ﾐ･･ｰ･鬣ﾖ)\n",
            tag_demo, "demo-dialog2")
 txt.insert('end', " \n ", tag_demospace)
 
@@ -556,7 +556,7 @@ $showVarsWin = {}
 def showVars1(parent, *args)
   if $showVarsWin[parent.path]
     begin
-      $showVarsWin[parent.path].destroy 
+      $showVarsWin[parent.path].destroy
     rescue
     end
   end
@@ -596,7 +596,7 @@ end
 def showVars2(parent, *args)
   if $showVarsWin[parent.path]
     begin
-      $showVarsWin[parent.path].destroy 
+      $showVarsWin[parent.path].destroy
     rescue
     end
   end
@@ -605,11 +605,11 @@ def showVars2(parent, *args)
 
     base = TkFrame.new(top).pack(:fill=>:both, :expand=>true)
 
-    TkLabelFrame.new(base, :text=>"ﾊﾑｿﾃﾍ:", 
+    TkLabelFrame.new(base, :text=>"ﾊﾑｿﾃﾍ:",
                      :font=>{:family=>'Helvetica', :size=>14}){|f|
       args.each{|vnam,vbody|
-        TkGrid(TkLabel.new(f, :text=>"#{vnam}: ", :anchor=>'w'), 
-               TkLabel.new(f, :textvariable=>vbody, :anchor=>'w'), 
+        TkGrid(TkLabel.new(f, :text=>"#{vnam}: ", :anchor=>'w'),
+               TkLabel.new(f, :textvariable=>vbody, :anchor=>'w'),
                :padx=>2, :pady=>2, :sticky=>'w')
       }
 
@@ -617,7 +617,7 @@ def showVars2(parent, *args)
       f.grid_columnconfig(1, :weight=>1)
       f.grid_rowconfig(100, :weight=>1)
     }
-    TkButton.new(base, :text=>"ﾎｻｲ", :width=>8, :default=>:active, 
+    TkButton.new(base, :text=>"ﾎｻｲ", :width=>8, :default=>:active,
                  :command=>proc{top.destroy}){|b|
       top.bind('Return', proc{b.invoke})
       top.bind('Escape', proc{b.invoke})
@@ -667,9 +667,9 @@ class Object
 
   def method_missing(id, *args)
     begin
-      has_top = (top = Thread.current[:TOPLEVEL]) && 
-                   top.respond_to?(:pseudo_toplevel_evaluable?) && 
-                   top.pseudo_toplevel_evaluable? && 
+      has_top = (top = Thread.current[:TOPLEVEL]) &&
+                   top.respond_to?(:pseudo_toplevel_evaluable?) &&
+                   top.pseudo_toplevel_evaluable? &&
                    top.respond_to?(id)
     rescue Exception => e
       has_top = false
@@ -733,9 +733,9 @@ def eval_samplecode(code, file=nil)
         end
       rescue Exception=>e
         #p e
-        TkBgError.show(e.message + "\n" + 
-                         "\n---< backtrace of Ruby side >-----\n" + 
-                         e.backtrace.join("\n") + 
+        TkBgError.show(e.message + "\n" +
+                         "\n---< backtrace of Ruby side >-----\n" +
+                         e.backtrace.join("\n") +
                          "\n---< backtrace of Tk side >-------")
       end
     }
@@ -785,7 +785,7 @@ def showStatus (txt, index)
     newcursor = 'xterm'
   else
     demoname = tag[5..-1]
-    $statusBarLabel.configure('text', 
+    $statusBarLabel.configure('text',
                              "･ｵ･･ﾗ･･ﾗ･･ｰ･鬣 \"#{demoname}\" ､ﾎｼﾂｹﾔ ")
     newcursor = 'hand2'
   end
@@ -841,9 +841,9 @@ def showCode1(demo)
       TkFrame.new($code_window) {|f|
         pack('expand'=>'yes', 'fill'=>'both', 'padx'=>1, 'pady'=>1)
 
-        hs = TkScrollbar.new($code_window, 'highlightthickness'=>0, 
+        hs = TkScrollbar.new($code_window, 'highlightthickness'=>0,
                              'orient'=>'horizontal')
-        vs = TkScrollbar.new($code_window, 'highlightthickness'=>0, 
+        vs = TkScrollbar.new($code_window, 'highlightthickness'=>0,
                              'orient'=>'vertical')
         $code_text = TkText.new($code_window) {|t|
           height 40
@@ -859,11 +859,11 @@ def showCode1(demo)
           vs.command(proc{|*args| $code_text.yview(*args)})
         }
 
-        $code_text.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>0, 
+        $code_text.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>0,
                         'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news')
-        vs.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>1, 
+        vs.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>1,
                 'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news')
-#       xs.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>1, 'column'=>0, 
+#       xs.grid('in'=>f, 'padx'=>1, 'pady'=>1, 'row'=>1, 'column'=>0,
 #               'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news')
         TkGrid.rowconfigure(f, 0, 'weight'=>1, 'minsize'=>0)
         TkGrid.columnconfigure(f, 0, 'weight'=>1, 'minsize'=>0)
@@ -900,8 +900,8 @@ def showCode2(demo)
   if $code_window == nil || TkWinfo.exist?($code_window) == false
     $code_window = TkToplevel.new(nil)
     tf = TkFrame.new($code_window)
-    $code_text = TkText.new(tf, :font=>'Courier 10', :height=>30, 
-                           :wrap=>'word', :bd=>1, :setgrid=>true, 
+    $code_text = TkText.new(tf, :font=>'Courier 10', :height=>30,
+                           :wrap=>'word', :bd=>1, :setgrid=>true,
                            :highlightthickness=>0, :pady=>2, :padx=>3)
     xscr = TkScrollbar.new(tf, :bd=>1){assign($code_text)}
     yscr = TkScrollbar.new(tf, :bd=>1){assign($code_text)}
@@ -924,21 +924,21 @@ def showCode2(demo)
       posnum.text  = pos
     }
 
-    #b_dis = TkButton.new(bf, :text=>'ﾎｻｲ', :default=>:active, 
-    b_dis = TkButton.new(bf, :text=>'ﾊﾄ､ｸ､', :default=>:active, 
+    #b_dis = TkButton.new(bf, :text=>'ﾎｻｲ', :default=>:active,
+    b_dis = TkButton.new(bf, :text=>'ﾊﾄ､ｸ､', :default=>:active,
                          :command=>proc{
                            $code_window.destroy
                            $code_window = nil
-                         }, 
+                         },
                          :image=>$image['delete'], :compound=>:left)
-    b_prn = TkButton.new(bf, :text=>'ｰｺ', 
-                         :command=>proc{printCode($code_text, file)}, 
+    b_prn = TkButton.new(bf, :text=>'ｰｺ',
+                         :command=>proc{printCode($code_text, file)},
                          :image=>$image['print'], :compound=>:left)
-    b_run = TkButton.new(bf, :text=>'ｺﾆｼﾂｹﾔ', 
+    b_run = TkButton.new(bf, :text=>'ｺﾆｼﾂｹﾔ',
                          :command=>proc{
                            # eval($code_text.get('1.0','end'), _null_binding)
                            eval_samplecode($code_text.get('1.0','end'), '')
-                         }, 
+                         },
                          :image=>$image['refresh'], :compound=>:left)
 
     TkGrid(lf, 'x', b_run, b_prn, b_dis, :padx=>4, :pady=>[6,4])
@@ -1011,27 +1011,27 @@ def printCode(txt, file)
     when 'unix'
       msg = `lp -c #{fname}`
       unless $?.exitstatus == 0
-        Tk.messageBox(:title=>'Print spooling failure', 
-                      :message=>'･ｨ･鬘ｼ､ｬﾈｯﾀｸ､ｷ､ﾞ､ｷ､ｿ｡･' + 
+        Tk.messageBox(:title=>'Print spooling failure',
+                      :message=>'･ｨ･鬘ｼ､ｬﾈｯﾀｸ､ｷ､ﾞ､ｷ､ｿ｡･' +
                                 'ｰｺ､ﾋｼｺﾇﾔ､ｷ､ｿ､筅ﾎ､ﾈｻﾗ､､､ﾞ､ｹ : ' + msg)
       end
     when 'windows'
       begin
         printTextWin32(fname)
       rescue => e
-        Tk.messageBox(:title=>'Print spooling failure', 
-                      :message=>'･ｨ･鬘ｼ､ｬﾈｯﾀｸ､ｷ､ﾞ､ｷ､ｿ｡･' + 
-                                'ｰｺ､ﾋｼｺﾇﾔ､ｷ､ｿ､筅ﾎ､ﾈｻﾗ､､､ﾞ､ｹ : ' + 
+        Tk.messageBox(:title=>'Print spooling failure',
+                      :message=>'･ｨ･鬘ｼ､ｬﾈｯﾀｸ､ｷ､ﾞ､ｷ､ｿ｡･' +
+                                'ｰｺ､ﾋｼｺﾇﾔ､ｷ､ｿ､筅ﾎ､ﾈｻﾗ､､､ﾞ､ｹ : ' +
                                 e.message)
-      end      
+      end
     when 'macintosh'
-      Tk.messageBox(:title=>'Operation not Implemented', 
+      Tk.messageBox(:title=>'Operation not Implemented',
                     :message=>'ｰｺｵ｡ﾇｽ､ﾏ､ﾞ､ﾀｼﾂﾁ､ｵ､､ﾆ､､､ﾞ､ｻ､')
     else
-      Tk.messageBox(:title=>'Operation not Implemented', 
-                    :message=>'ｸ｡ｽﾐ､ｵ､､ｿｴﾄｶｭ ' + 
-                              Tk::TCL_PLATFORM('platform') + 
-                              ' ､ﾏﾌ､ﾃﾎ､ﾎｴﾄｶｭ､ﾇ､｢､､ｿ､癸､' + 
+      Tk.messageBox(:title=>'Operation not Implemented',
+                    :message=>'ｸ｡ｽﾐ､ｵ､､ｿｴﾄｶｭ ' +
+                              Tk::TCL_PLATFORM('platform') +
+                              ' ､ﾏﾌ､ﾃﾎ､ﾎｴﾄｶｭ､ﾇ､｢､､ｿ､癸､' +
                               'ｰｺｵ｡ﾇｽ､ﾏｼﾂﾁ､ｵ､､ﾆ､､､ﾞ､ｻ､: ')
     end
   ensure
@@ -1061,7 +1061,7 @@ def printTextWin32(fname)
   pcmd.gsub!('%1', fname)
   puts pcmd
   cmd = Tk.tk_call('auto_execok', 'start') + ' /min ' + pcmd
-  
+
   msg = `#{cmd}`
   unless $?.exitstatus == 0
     fail RuntimeError, msg
@@ -1073,16 +1073,16 @@ end
 #      Pops up a message box with an "about" message
 #
 def aboutBox
-  Tk.messageBox('icon'=>'info', 'type'=>'ok', 'title'=>'About Widget Demo', 
-                'message'=>"Ruby/Tk ･ｦ･｣･ｸ･ｧ･ﾃ･ﾈ･ﾇ･ Ver.1.7.1-jp\n\n" + 
-                           "based on demos of Tk8.1 -- 8.5  " + 
-                           "( Copyright of Tcl/Tk demos:: " + 
-                           "(c) 1996-1997 Sun Microsystems, Inc. / " + 
-                           "(c) 1997-2000 Ajuba Solutions, Inc. / " + 
-                           "(c) 2001-2007 Donal K. Fellows / " + 
+  Tk.messageBox('icon'=>'info', 'type'=>'ok', 'title'=>'About Widget Demo',
+                'message'=>"Ruby/Tk ･ｦ･｣･ｸ･ｧ･ﾃ･ﾈ･ﾇ･ Ver.1.7.1-jp\n\n" +
+                           "based on demos of Tk8.1 -- 8.5  " +
+                           "( Copyright of Tcl/Tk demos:: " +
+                           "(c) 1996-1997 Sun Microsystems, Inc. / " +
+                           "(c) 1997-2000 Ajuba Solutions, Inc. / " +
+                           "(c) 2001-2007 Donal K. Fellows / " +
                            "(c) 2002-2007 Daniel A. Steffen )\n\n" +
-                           "Your Ruby & Tk Version ::\n" + 
-                           "Ruby#{RUBY_VERSION}(#{RUBY_RELEASE_DATE})[#{RUBY_PLATFORM}] / Tk#{$tk_patchlevel}#{(Tk::JAPANIZED_TK)? '-jp': ''}\n\n" + 
+                           "Your Ruby & Tk Version ::\n" +
+                           "Ruby#{RUBY_VERSION}(#{RUBY_RELEASE_DATE})[#{RUBY_PLATFORM}] / Tk#{$tk_patchlevel}#{(Tk::JAPANIZED_TK)? '-jp': ''}\n\n" +
                            "Ruby/Tk release date :: tcltklib #{TclTkLib::RELEASE_DATE}; tk #{Tk::RELEASE_DATE}")
 end
 
@@ -1096,11 +1096,11 @@ else
   # show the root widget to make it lower then demo windows
   Tk.update
 end
-ARGV.each{|cmd| 
+ARGV.each{|cmd|
   if cmd =~ /(.*).rb/
     cmd = $1
   end
-  #eval(IO.readlines("#{[$demo_dir, cmd].join(File::Separator)}.rb").join, 
+  #eval(IO.readlines("#{[$demo_dir, cmd].join(File::Separator)}.rb").join,
   #     _null_binding)
   eval_samplecode(IO.readlines("#{[$demo_dir, cmd].join(File::Separator)}.rb").join, cmd + '.rb')
 }
diff --git a/ext/tk/sample/irbtkw.rbw b/ext/tk/sample/irbtkw.rbw
index 04de3a2022..b75ebca48d 100644
--- a/ext/tk/sample/irbtkw.rbw
+++ b/ext/tk/sample/irbtkw.rbw
@@ -41,12 +41,12 @@ else
   fnt = ['courier', '-12']
 end
 
-console = TkTextIO.new(top, :mode=>:console, 
-                       :width=>80).pack(:side=>:left, 
+console = TkTextIO.new(top, :mode=>:console,
+                       :width=>80).pack(:side=>:left,
                                         :expand=>true, :fill=>:both)
-console.yscrollbar(TkScrollbar.new(top, :width=>10).pack(:before=>console, 
-                                                         :side=>:right, 
-                                                         :expand=>false, 
+console.yscrollbar(TkScrollbar.new(top, :width=>10).pack(:before=>console,
+                                                         :side=>:right,
+                                                         :expand=>false,
                                                          :fill=>:y))
 
 # save original I/O
diff --git a/ext/tk/sample/msgs_rb/README b/ext/tk/sample/msgs_rb/README
index d986e031fd..781dda93ef 100644
--- a/ext/tk/sample/msgs_rb/README
+++ b/ext/tk/sample/msgs_rb/README
@@ -1,3 +1,3 @@
-Message catalogs in this directory depend on Tcl/Tk's message catalogs. 
+Message catalogs in this directory depend on Tcl/Tk's message catalogs.
 Texts of each locale are copied from Tcl/Tk8.5a1 widget demos.
-Please refer to '../msgs_tk/README'. 
+Please refer to '../msgs_tk/README'.
diff --git a/ext/tk/sample/msgs_rb/es.msg b/ext/tk/sample/msgs_rb/es.msg
index 460dbe848c..38ca28fb8f 100644
--- a/ext/tk/sample/msgs_rb/es.msg
+++ b/ext/tk/sample/msgs_rb/es.msg
@@ -69,7 +69,7 @@ TkMsgCatalog.new('::tk') {
     es "Tcl Scripts", "Scripts Tcl"
     es "Tcl for Windows", "Tcl para Windows"
     es "Text Files", "Archivos de texto"
-    es "&Yes", "&S\\u00ed" 
+    es "&Yes", "&S\\u00ed"
     es "abort", "abortar"
     es "blue", "azul"
     es "cancel", "cancelar"
diff --git a/ext/tk/sample/msgs_rb/ru.msg b/ext/tk/sample/msgs_rb/ru.msg
index f389dff0b6..752cd42619 100644
--- a/ext/tk/sample/msgs_rb/ru.msg
+++ b/ext/tk/sample/msgs_rb/ru.msg
@@ -31,7 +31,7 @@ TkMsgCatalog.new('::tk') {
     ru 'Details >>', '\u041f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435 >>'
     ru 'Directory "%1\$s" does not exist.', '\u041a\u0430\u0442\u0430\u043b\u043e\u0433\u0430 "%1\$s" \u043d\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442.'
     ru '&Directory:', '&\u041a\u0430\u0442\u0430\u043b\u043e\u0433:'
-    ru 'Error: %1\$s', '\u041e\u0448\u0438\u0431\u043a\u0430: %1\$s' 
+    ru 'Error: %1\$s', '\u041e\u0448\u0438\u0431\u043a\u0430: %1\$s'
     ru 'Exit', '\u0412\u044b\u0445\u043e\u0434'
     ru 'File "%1\$s" already exists.' "\n" 'Do you want to overwrite it?' \
                             '\u0424\u0430\u0439\u043b "%1\$s" \u0443\u0436\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442.' "\n" '\u0417\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u0435\u0433\u043e?'
@@ -47,7 +47,7 @@ TkMsgCatalog.new('::tk') {
     ru 'Hi', '\u041f\u0440\u0438\u0432\u0435\u0442'
     ru 'Hide Console', '\u0421\u043f\u0440\u044f\u0442\u0430\u0442\u044c \u043a\u043e\u043d\u0441\u043e\u043b\u044c'
     ru '&Ignore', '&\u0418\u0433\u043d\u043e\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c'
-    ru 'Invalid file name "%1\$s".', '\u041d\u0435\u0432\u0435\u0440\u043d\u043e\u0435 \u0438\u043c\u044f \u0444\u0430\u0439\u043b\u0430 "%1\$s".' 
+    ru 'Invalid file name "%1\$s".', '\u041d\u0435\u0432\u0435\u0440\u043d\u043e\u0435 \u0438\u043c\u044f \u0444\u0430\u0439\u043b\u0430 "%1\$s".'
     ru 'Log Files', '\u0424\u0430\u0439\u043b\u044b \u0436\u0443\u0440\u043d\u0430\u043b\u0430'
     ru '&No', '&\u041d\u0435\u0442'
     ru '&OK', '&\u041e\u041a'
diff --git a/ext/tk/sample/msgs_rb2/README b/ext/tk/sample/msgs_rb2/README
index b8aa114e1b..f6a904b3b6 100644
--- a/ext/tk/sample/msgs_rb2/README
+++ b/ext/tk/sample/msgs_rb2/README
@@ -1,5 +1,5 @@
 Message catalogs in this directory are written in encodings except
-UTF-8. As if you have a trouble to edit UTF-8 text, you can write 
+UTF-8. As if you have a trouble to edit UTF-8 text, you can write
 message catalogs in your familier encoding.
 
 Please see '../msgs_rb/README' too.
diff --git a/ext/tk/sample/msgs_tk/README b/ext/tk/sample/msgs_tk/README
index c7422e3a9b..062ec20cf8 100644
--- a/ext/tk/sample/msgs_tk/README
+++ b/ext/tk/sample/msgs_tk/README
@@ -1,4 +1,4 @@
-Almost all of Message-Catalog files in this directory are quoted 
+Almost all of Message-Catalog files in this directory are quoted
 from Tcl/Tk8.5a1 source archive (only a little are modified for
 'tkmsgcat-load_tk.rb'). Please read the file 'license.terms' in
 this directry (That was included in demo directory of Tcl/Tk8.5a1).
diff --git a/ext/tk/sample/msgs_tk/el.msg b/ext/tk/sample/msgs_tk/el.msg
index 1e3a539647..ee75af3ced 100644
--- a/ext/tk/sample/msgs_tk/el.msg
+++ b/ext/tk/sample/msgs_tk/el.msg
@@ -13,7 +13,7 @@ namespace eval ::tkmsgcat_demo {
 }
 
 
-# followings are same to original file included into Tk8.5a1's widget demos. 
+# followings are same to original file included into Tk8.5a1's widget demos.
 
 ## Messages for the Greek (Hellenic - "el") language.
 ## Please report any changes/suggestions to:
diff --git a/ext/tk/sample/msgs_tk/es.msg b/ext/tk/sample/msgs_tk/es.msg
index ba981236a3..62ce33d5cc 100644
--- a/ext/tk/sample/msgs_tk/es.msg
+++ b/ext/tk/sample/msgs_tk/es.msg
@@ -69,7 +69,7 @@ namespace eval ::tk {
     ::msgcat::mcset es "Tcl Scripts" "Scripts Tcl"
     ::msgcat::mcset es "Tcl for Windows" "Tcl para Windows"
     ::msgcat::mcset es "Text Files" "Archivos de texto"
-    ::msgcat::mcset es "&Yes" "&S\u00ed" 
+    ::msgcat::mcset es "&Yes" "&S\u00ed"
     ::msgcat::mcset es "abort" "abortar"
     ::msgcat::mcset es "blue" "azul"
     ::msgcat::mcset es "cancel" "cancelar"
diff --git a/ext/tk/sample/msgs_tk/license.terms b/ext/tk/sample/msgs_tk/license.terms
index 03ca6fcb31..c0a44d3fc2 100644
--- a/ext/tk/sample/msgs_tk/license.terms
+++ b/ext/tk/sample/msgs_tk/license.terms
@@ -28,7 +28,7 @@ MODIFICATIONS.
 
 GOVERNMENT USE: If you are acquiring this software on behalf of the
 U.S. government, the Government shall have only "Restricted Rights"
-in the software and related documentation as defined in the Federal 
+in the software and related documentation as defined in the Federal
 Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2).  If you
 are acquiring the software on behalf of the Department of Defense, the
 software shall be classified as "Commercial Computer Software" and the
diff --git a/ext/tk/sample/msgs_tk/ru.msg b/ext/tk/sample/msgs_tk/ru.msg
index a1192b7095..db009a4a52 100644
--- a/ext/tk/sample/msgs_tk/ru.msg
+++ b/ext/tk/sample/msgs_tk/ru.msg
@@ -31,7 +31,7 @@ namespace eval ::tk {
     ::msgcat::mcset ru "Details >>" "\u041f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435 >>"
     ::msgcat::mcset ru "Directory \"%1\$s\" does not exist." "\u041a\u0430\u0442\u0430\u043b\u043e\u0433\u0430 \"%1\$s\" \u043d\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442."
     ::msgcat::mcset ru "&Directory:" "&\u041a\u0430\u0442\u0430\u043b\u043e\u0433:"
-    ::msgcat::mcset ru "Error: %1\$s" "\u041e\u0448\u0438\u0431\u043a\u0430: %1\$s" 
+    ::msgcat::mcset ru "Error: %1\$s" "\u041e\u0448\u0438\u0431\u043a\u0430: %1\$s"
     ::msgcat::mcset ru "Exit" "\u0412\u044b\u0445\u043e\u0434"
     ::msgcat::mcset ru "File \"%1\$s\" already exists.\nDo you want to overwrite it?" \
 			    "\u0424\u0430\u0439\u043b \"%1\$s\" \u0443\u0436\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442.\n\u0417\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u0435\u0433\u043e?"
@@ -47,7 +47,7 @@ namespace eval ::tk {
     ::msgcat::mcset ru "Hi" "\u041f\u0440\u0438\u0432\u0435\u0442"
     ::msgcat::mcset ru "Hide Console" "\u0421\u043f\u0440\u044f\u0442\u0430\u0442\u044c \u043a\u043e\u043d\u0441\u043e\u043b\u044c"
     ::msgcat::mcset ru "&Ignore" "&\u0418\u0433\u043d\u043e\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c"
-    ::msgcat::mcset ru "Invalid file name \"%1\$s\"." "\u041d\u0435\u0432\u0435\u0440\u043d\u043e\u0435 \u0438\u043c\u044f \u0444\u0430\u0439\u043b\u0430 \"%1\$s\"." 
+    ::msgcat::mcset ru "Invalid file name \"%1\$s\"." "\u041d\u0435\u0432\u0435\u0440\u043d\u043e\u0435 \u0438\u043c\u044f \u0444\u0430\u0439\u043b\u0430 \"%1\$s\"."
     ::msgcat::mcset ru "Log Files" "\u0424\u0430\u0439\u043b\u044b \u0436\u0443\u0440\u043d\u0430\u043b\u0430"
     ::msgcat::mcset ru "&No" "&\u041d\u0435\u0442"
     ::msgcat::mcset ru "&OK" "&\u041e\u041a"
diff --git a/ext/tk/sample/tkextlib/blt/readme.txt b/ext/tk/sample/tkextlib/blt/readme.txt
index fe12dd88a3..4183c01ecb 100644
--- a/ext/tk/sample/tkextlib/blt/readme.txt
+++ b/ext/tk/sample/tkextlib/blt/readme.txt
@@ -1,2 +1,2 @@
 The scripts and image files in this directory are based on demo files
-of Tcl/Tk's BLT extention. 
+of Tcl/Tk's BLT extention.
diff --git a/ext/tk/sample/tkextlib/tile/readme.txt b/ext/tk/sample/tkextlib/tile/readme.txt
index a76b3338f7..6c4a5cf543 100644
--- a/ext/tk/sample/tkextlib/tile/readme.txt
+++ b/ext/tk/sample/tkextlib/tile/readme.txt
@@ -1,2 +1,2 @@
-All of *.tcl and under themes/ directory (except kroc.rb) are 
-quoted from Tcl/Tk's Tile extension. Please read Orig_LICENSE.txt. 
+All of *.tcl and under themes/ directory (except kroc.rb) are
+quoted from Tcl/Tk's Tile extension. Please read Orig_LICENSE.txt.
diff --git a/ext/tk/sample/tkextlib/tile/repeater.tcl b/ext/tk/sample/tkextlib/tile/repeater.tcl
index 652ba8ab17..43beb9430a 100644
--- a/ext/tk/sample/tkextlib/tile/repeater.tcl
+++ b/ext/tk/sample/tkextlib/tile/repeater.tcl
@@ -17,7 +17,7 @@
 # Notes:
 #	Repeater buttons work more like scrollbar arrows than
 #	Tk repeating buttons: they fire once immediately when
-#	first pressed, and $State(delay) specifies the initial 
+#	first pressed, and $State(delay) specifies the initial
 #	interval before the button starts autorepeating.
 #
 
@@ -49,8 +49,8 @@ bind Repeater  \
 ### Binding procedures.
 #
 
-## Activate -- Keyboard activation binding. 
-#	Simulate clicking the button, and invoke the command once. 
+## Activate -- Keyboard activation binding.
+#	Simulate clicking the button, and invoke the command once.
 #
 proc tile::Repeater::Activate {w} {
     $w instate disabled { return }
@@ -61,7 +61,7 @@ proc tile::Repeater::Activate {w} {
 }
 
 ## Press -- ButtonPress-1 binding.
-#	Invoke the command once and start autorepeating after 
+#	Invoke the command once and start autorepeating after
 #	$State(delay) milliseconds.
 #
 proc tile::Repeater::Press {w} {
@@ -104,7 +104,7 @@ proc tile::Repeater::Resume {w} {
 }
 
 ## Repeat -- Timer script
-#	Invoke the command and reschedule another repetition 
+#	Invoke the command and reschedule another repetition
 #	after $State(interval) milliseconds.
 #
 proc tile::Repeater::Repeat {w} {
diff --git a/ext/tk/sample/tkextlib/tile/themes/blue/blue.tcl b/ext/tk/sample/tkextlib/tile/themes/blue/blue.tcl
index 37e3d07ff7..68733e8ad2 100644
--- a/ext/tk/sample/tkextlib/tile/themes/blue/blue.tcl
+++ b/ext/tk/sample/tkextlib/tile/themes/blue/blue.tcl
@@ -68,12 +68,12 @@ namespace eval tile::theme::blue {
 	style default Toolbutton \
 	    -width 0 -relief flat -borderwidth 2 -padding 4 \
 	    -background $colors(-frame) -foreground #000000 ;
-	style map Toolbutton -background [list active $colors(-selectbg)] 
-	style map Toolbutton -foreground [list active $colors(-selectfg)] 
+	style map Toolbutton -background [list active $colors(-selectbg)]
+	style map Toolbutton -foreground [list active $colors(-selectfg)]
 	style map Toolbutton -relief {
 	    disabled 	flat
-	    selected	sunken  
-	    pressed 	sunken  
+	    selected	sunken
+	    pressed 	sunken
 	    active  	raised
 	}
 
diff --git a/ext/tk/sample/tkextlib/tile/themes/keramik/keramik.tcl b/ext/tk/sample/tkextlib/tile/themes/keramik/keramik.tcl
index 79fcd7c04e..60c59be0ca 100644
--- a/ext/tk/sample/tkextlib/tile/themes/keramik/keramik.tcl
+++ b/ext/tk/sample/tkextlib/tile/themes/keramik/keramik.tcl
@@ -1,4 +1,4 @@
-# keramik.tcl - 
+# keramik.tcl -
 #
 # A sample pixmap theme for the tile package.
 #
@@ -48,12 +48,12 @@ namespace eval tile::theme::keramik {
             ;
 
         style map . -foreground [list disabled $colors(-disabledfg)]
-                
+
         # -----------------------------------------------------------------
         # Button elements
         #  - the button has a large rounded border and needs a bit of
         #    horizontal padding.
-        #  - the checkbutton and radiobutton have the focus drawn around 
+        #  - the checkbutton and radiobutton have the focus drawn around
         #    the whole widget - hence the new layouts.
         #
         style layout TButton {
@@ -125,7 +125,7 @@ namespace eval tile::theme::keramik {
         #    one at the top.
         #
         style layout Vertical.TScrollbar {
-            Scrollbar.background 
+            Scrollbar.background
             Scrollbar.trough -children {
                 Scrollbar.uparrow -side top
                 Scrollbar.downarrow -side bottom
@@ -133,9 +133,9 @@ namespace eval tile::theme::keramik {
                 Vertical.Scrollbar.thumb -side top -expand true -sticky ns
             }
         }
-        
+
         style layout Horizontal.TScrollbar {
-            Scrollbar.background 
+            Scrollbar.background
             Scrollbar.trough -children {
                 Scrollbar.leftarrow -side left
                 Scrollbar.rightarrow -side right
@@ -149,26 +149,26 @@ namespace eval tile::theme::keramik {
         style element create Horizontal.Scrollbar.thumb image $I(hsb-n) \
             -border {6 4} -width 15 -height 16 -sticky news \
             -map [list {pressed !disabled} $I(hsb-p)]
-        
+
         style element create Vertical.Scrollbar.thumb image $I(vsb-n) \
             -border {4 6} -width 16 -height 15 -sticky news \
             -map [list {pressed !disabled} $I(vsb-p)]
-        
+
         style element create Scale.slider image $I(hslider-n) \
             -border 3
-        
+
         style element create Vertical.Scale.slider image $I(vslider-n) \
             -border 3
-        
+
         style element create Horizontal.Progress.bar image $I(hsb-n) \
             -border {6 4}
-        
+
         style element create Vertical.Progress.bar image $I(vsb-n) \
             -border {4 6}
-        
+
         style element create uparrow image $I(arrowup-n) \
             -map [list {pressed !disabled} $I(arrowup-p)]
-                  
+
         style element create downarrow image $I(arrowdown-n) \
             -map [list {pressed !disabled} $I(arrowdown-p)]
 
@@ -177,7 +177,7 @@ namespace eval tile::theme::keramik {
 
         style element create leftarrow image $I(arrowleft-n) \
             -map [list {pressed !disabled} $I(arrowleft-p)]
-        
+
         # -----------------------------------------------------------------
         # Notebook elements
         #
diff --git a/ext/tk/sample/tkextlib/tile/themes/keramik/pkgIndex.tcl b/ext/tk/sample/tkextlib/tile/themes/keramik/pkgIndex.tcl
index 4bb89aa8a5..cedec328f8 100644
--- a/ext/tk/sample/tkextlib/tile/themes/keramik/pkgIndex.tcl
+++ b/ext/tk/sample/tkextlib/tile/themes/keramik/pkgIndex.tcl
@@ -4,7 +4,7 @@
 # or we don't have the right version of Tcl/Tk
 #
 # To use this automatically within tile, the tile-using application should
-# use tile::availableThemes and tile::setTheme 
+# use tile::availableThemes and tile::setTheme
 #
 # $Id$
 
diff --git a/ext/tk/sample/tkextlib/tile/themes/kroc/kroc.tcl b/ext/tk/sample/tkextlib/tile/themes/kroc/kroc.tcl
index 73548acef2..b2cd79679a 100644
--- a/ext/tk/sample/tkextlib/tile/themes/kroc/kroc.tcl
+++ b/ext/tk/sample/tkextlib/tile/themes/kroc/kroc.tcl
@@ -11,25 +11,25 @@ namespace eval tile {
 }
 
 namespace eval tile::kroc {
-    
+
     set imgdir [file join [file dirname [info script]] kroc]
     array set Images [tile::LoadImages $imgdir *.gif]
-    
+
     if {[package vsatisfies [package provide tile] 0.5]} {
         set TNoteBook_Tab TNotebook.Tab
     } else {
         set TNoteBook_Tab Tab.TNotebook
     }
-    
+
     style theme create kroc -parent alt -settings {
-        
+
         style default . -background #FCB64F -troughcolor #F8C278 -borderwidth 1
 	style default . -font TkDefaultFont -borderwidth 1
         style map . -background [list active #694418]
         style map . -foreground [list disabled #B2B2B2 active #FFE7CB]
-        
+
         style default TButton -padding "10 4"
-        
+
         style default $TNoteBook_Tab -padding {10 3} -font TkDefaultFont
         style map $TNoteBook_Tab \
                 -background [list selected #FCB64F {} #FFE6BA] \
@@ -41,7 +41,7 @@ namespace eval tile::kroc {
                 -arrowcolor	{ pressed #FFE7CB } \
                 -relief		{ pressed sunken } \
                 ;
-        
+
         style layout Vertical.TScrollbar {
             Scrollbar.trough -children {
                 Scrollbar.uparrow -side top
@@ -50,7 +50,7 @@ namespace eval tile::kroc {
                 Scrollbar.thumb -side top -expand true
             }
         }
-        
+
         style layout Horizontal.TScrollbar {
             Scrollbar.trough -children {
                 Scrollbar.leftarrow -side left
@@ -59,18 +59,18 @@ namespace eval tile::kroc {
                 Scrollbar.thumb -side left -expand true
             }
         }
-        
+
         #
         # Elements:
         #
         if {[package vsatisfies [package provide tile] 0.5]} {
-            
+
             style element create Button.button image $Images(button-n) \
                 -map [list  \
                     pressed		$Images(button-p) \
                     active		$Images(button-h) \
                     ] -border 3 -sticky ew
-            
+
             style element create Checkbutton.indicator image $Images(check-nu) \
                 -map [list \
                     {pressed selected}	$Images(check-nc) \
@@ -79,7 +79,7 @@ namespace eval tile::kroc {
                     active		$Images(check-hu) \
                     selected		$Images(check-nc) \
                     ] -sticky w
-            
+
             style element create Radiobutton.indicator image $Images(radio-nu) \
                 -map [list \
                     {pressed selected}	$Images(radio-nc) \
@@ -88,15 +88,15 @@ namespace eval tile::kroc {
                     active		$Images(radio-hu) \
                     selected		$Images(radio-nc) \
                     ] -sticky w
-            
+
         } else {
-            
+
             style element create Button.button pixmap -images [list  \
                     pressed		$Images(button-p) \
                     active		$Images(button-h) \
                     {}			$Images(button-n) \
                     ] -border 3 -tiling tile
-            
+
             style element create Checkbutton.indicator pixmap -images [list \
                     {pressed selected}	$Images(check-nc) \
                     pressed		$Images(check-nu) \
@@ -105,7 +105,7 @@ namespace eval tile::kroc {
                     selected		$Images(check-nc) \
                     {}			$Images(check-nu) \
                     ] -tiling fixed
-            
+
             style element create Radiobutton.indicator pixmap -images [list \
                     {pressed selected}	$Images(radio-nc) \
                     pressed		$Images(radio-nu) \
@@ -114,7 +114,7 @@ namespace eval tile::kroc {
                     selected		$Images(radio-nc) \
                     {}			$Images(radio-nu) \
                     ] -tiling fixed
-            
+
         }
 
         #
@@ -141,7 +141,7 @@ namespace eval tile::kroc {
 		}
             }
         }
-        
+
         style layout TRadiobutton {
             Radiobutton.border -children {
                 Radiobutton.background
@@ -153,7 +153,7 @@ namespace eval tile::kroc {
                 }
             }
         }
-        
+
     } }
 
 # -------------------------------------------------------------------------
diff --git a/ext/tk/sample/tkextlib/tile/themes/kroc/pkgIndex.tcl b/ext/tk/sample/tkextlib/tile/themes/kroc/pkgIndex.tcl
index 179077917c..de4f3d4555 100644
--- a/ext/tk/sample/tkextlib/tile/themes/kroc/pkgIndex.tcl
+++ b/ext/tk/sample/tkextlib/tile/themes/kroc/pkgIndex.tcl
@@ -4,7 +4,7 @@
 # or we don't have the right version of Tcl/Tk
 #
 # To use this automatically within tile, the tile-using application should
-# use tile::availableThemes and tile::setTheme 
+# use tile::availableThemes and tile::setTheme
 #
 # $Id$
 
diff --git a/ext/tk/sample/tkextlib/tile/themes/plastik/pkgIndex.tcl b/ext/tk/sample/tkextlib/tile/themes/plastik/pkgIndex.tcl
index e39aff6f44..f402a73f10 100644
--- a/ext/tk/sample/tkextlib/tile/themes/plastik/pkgIndex.tcl
+++ b/ext/tk/sample/tkextlib/tile/themes/plastik/pkgIndex.tcl
@@ -4,7 +4,7 @@
 # or we don't have the right version of Tcl/Tk
 #
 # To use this automatically within tile, the tile-using application should
-# use tile::availableThemes and tile::setTheme 
+# use tile::availableThemes and tile::setTheme
 #
 # $Id$
 
diff --git a/ext/tk/sample/tkextlib/tile/toolbutton.tcl b/ext/tk/sample/tkextlib/tile/toolbutton.tcl
index 4e08034e31..91e9ad18bb 100644
--- a/ext/tk/sample/tkextlib/tile/toolbutton.tcl
+++ b/ext/tk/sample/tkextlib/tile/toolbutton.tcl
@@ -7,14 +7,14 @@
 #
 # ~ BACKGROUND
 #
-# Checkbuttons in toolbars have a very different appearance 
+# Checkbuttons in toolbars have a very different appearance
 # than regular checkbuttons: there's no indicator, they
 # "pop up" when the mouse is over them, and they appear sunken
 # when selected.
-# 
-# Tk added partial support for toolbar-style buttons in 8.4 
+#
+# Tk added partial support for toolbar-style buttons in 8.4
 # with the "-overrelief" option, and TIP #82 added further
-# support with the "-offrelief" option.  So to get a toolbar-style 
+# support with the "-offrelief" option.  So to get a toolbar-style
 # checkbutton, you can configure it with:
 #
 # checkbutton .cb \
@@ -34,11 +34,11 @@
 #
 # ~ DEMONSTRATION
 #
-# The tile built-in themes (default, "alt", windows, and XP) 
+# The tile built-in themes (default, "alt", windows, and XP)
 # already include Toolbutton styles.  This script will add
 # them to the "step" and "blue" themes as a demonstration.
 #
-# (Note: Pushbuttons and radiobuttons can also use the "Toolbutton" 
+# (Note: Pushbuttons and radiobuttons can also use the "Toolbutton"
 # style; see demo.tcl.)
 #
 
@@ -48,7 +48,7 @@ style theme settings "step" {
 # First, we use [style layout] to define what elements to
 # use and how they're arranged.  Toolbuttons are pretty
 # simple, consisting of a border, some internal padding,
-# and a label.  (See also the TScrollbar layout definition 
+# and a label.  (See also the TScrollbar layout definition
 # in demos/blue.tcl for a more complicated layout spec.)
 #
     style layout Toolbutton {
@@ -60,8 +60,8 @@ style theme settings "step" {
         }
     }
 
-# (Actually the above isn't strictly necessary, since the same layout 
-# is defined in the default theme; we could have inherited it 
+# (Actually the above isn't strictly necessary, since the same layout
+# is defined in the default theme; we could have inherited it
 # instead.)
 #
 # Next, specify default values for element options.
@@ -71,17 +71,17 @@ style theme settings "step" {
     style default Toolbutton -width 0 -padding 1 -relief flat -borderwidth 2
 
 #
-# Finally, use [style map] to specify state-specific 
+# Finally, use [style map] to specify state-specific
 # resource values.  We want a flat relief if the widget is
-# disabled, sunken if it's selected (on) or pressed, 
+# disabled, sunken if it's selected (on) or pressed,
 # and raised when it's active (the mouse pointer is
 # over the widget).  Each state-value pair is checked
 # in order, and the first matching state takes precedence.
 #
     style map Toolbutton -relief {
 	disabled 	flat
-    	selected	sunken  
-	pressed 	sunken  
+	selected	sunken
+	pressed 	sunken
 	active		raised
     }
 }
@@ -107,10 +107,10 @@ style theme settings "blue" {
     #
     style map Toolbutton -relief {
 	disabled 	flat
-    	selected	sunken  
-	pressed 	sunken  
+	selected	sunken
+	pressed 	sunken
 	active		raised
-    } 
+    }
 
     #
     # Adjust the -padding at the same time, to enhance
@@ -138,7 +138,7 @@ style theme settings "blue" {
 }
 
 #
-# ~ A final note:  
+# ~ A final note:
 #
 # TIP #82 also says: "When -indicatoron is off and the button itself
 # is on, the relief continues to be hard-coded to sunken. For symmetry,
diff --git a/ext/tk/sample/tkextlib/tkHTML/README b/ext/tk/sample/tkextlib/tkHTML/README
index 1208e270b4..0b9f799cbd 100644
--- a/ext/tk/sample/tkextlib/tkHTML/README
+++ b/ext/tk/sample/tkextlib/tkHTML/README
@@ -1,12 +1,12 @@
 
    [ TkHtml widget example ]
 
-The directory page1 -- page4 are referd from "test" directory of 
-original TkHtml extension's source archive. 
+The directory page1 -- page4 are referd from "test" directory of
+original TkHtml extension's source archive.
 ( see http://www.hwaci.com/sw/tkhtml/index.html )
 
 You can see the HTML documents on the 'hv.rb' or 'ss.rb' sample script.
 
- e.g. 
+ e.g.
    LD_LIBRARY_PATH=/usr/local/ActiveTcl/lib:$LD_LIBRARY_PATH /usr/local/bin/ruby ./hv.rb page1/index.html
 
diff --git a/ext/tk/sample/tkextlib/tkHTML/page2/index.html b/ext/tk/sample/tkextlib/tkHTML/page2/index.html
index 7eaf2d2cc9..1c67be6c0b 100644
--- a/ext/tk/sample/tkextlib/tkHTML/page2/index.html
+++ b/ext/tk/sample/tkextlib/tkHTML/page2/index.html
@@ -10,7 +10,7 @@
       
         Scriptics
         
-        
+
           
           
@@ -50,8 +50,8 @@
 	  }
         }
 	//-->
-    
-	
+   
+
 
    
             
    
 
 
    
@@ -186,13 +186,13 @@ or higher.
 There are also an "unofficial" release for 8.0p2
 and 8.1a2 that were not done by the author. Edit(October 26, 1999 09:43)
    BWidget
-
    A set of native Tk 8.x Widgets using Tcl8.x namespaces. 
+
    A set of native Tk 8.x Widgets using Tcl8.x namespaces.
 The ToolKit is available under Unix/X11 and Windows.
-The BWidget(s) have a professional look&feel as in other 
-well known Toolkits (Tix or Incr Widget) but the concept is 
-radically different because everything is native 
+The BWidget(s) have a professional look&feel as in other
+well known Toolkits (Tix or Incr Widget) but the concept is
+radically different because everything is native
 so no platform compilation, no compiled extension
-library are needed. The code is 100 Pure Tcl/Tk. 
+library are needed. The code is 100 Pure Tcl/Tk.
 More 30 components : Notebook, PageManager, Tree, PanedWindow, ButtonBox,
 ScrollView, ComboBox, SpinBox, ListBox, SelectFont, SelectColor,
 ProgressBare ... Edit
@@ -220,10 +220,10 @@ Unix). The console itself provides many more features than the standard console.
 
    This project seeks to integrate the Tk toolkit
 with the Frontier scripting language. Edit
  (August 19, 1999 15:36)
    Img image format extension
-
    This package enhances Tk, adding support for many other Image formats: 
+
    This package enhances Tk, adding support for many other Image formats:
 BMP, XBM, XPM, GIF (with transparency), PNG,
 JPEG, TIFF and postscript.
-This is implemented as a shared library that can be dynamically loaded into 
+This is implemented as a shared library that can be dynamically loaded into
 Tcl/Tk.
  Edit
  (November 21, 1999 06:35)
    mclistbox - a multi-column listbox widget
@@ -234,7 +234,7 @@ requires no other extensions; it is completely
 standalone. Edit
  (August 19, 1999 15:37)
    MFC views C++ class for embedding Tk
 
    The idea of embedding Tk in MFC windows always seemed very enticing but information was sparse and contradictory - on a
- scale between "very easy" and "not yet possible". The only thing for it was to have a go and lo, it wasn't that hard after all.  
+ scale between "very easy" and "not yet possible". The only thing for it was to have a go and lo, it wasn't that hard after all.
  CTkView is a C++ class which can be used in MFC SDI or MDI applications. An instance of CTkView hosts an embedded Tk
  toplevel widget and performs some management chores for the widget so that it can size, update and react correctly to Windows
  events.   Edit
@@ -244,7 +244,7 @@ standalone. download.html
    Pad++ is a Tk widget that provides a Zoomable User Interface (ZUI) that supports real-time interactive zoomable graphics in a fashion similar to the Tk Canvas widget.  Pad++ supports tens of thousands of objects which include text, images, graphics, portals, lenses, simple html (and more), including transparency and rotation. Edit
  (August 19, 1999 15:39)
    Progressbar
-
    Progressbar is a megawidget written in pure tcl (ie: no compiling required - runs on all platforms Macintosh, Unix, Windows). 
+
    Progressbar is a megawidget written in pure tcl (ie: no compiling required - runs on all platforms Macintosh, Unix, Windows).
 Its primary purpose is to show the progress of any action in percent. Edit
  (January 24, 2000 09:19)
    scwoop (Simple Composite Widget Object Oriented Package)
 
    Scwoop is a composite widget (also known as mega widget) extension to the great Tk widget library. Scwoop is
@@ -287,7 +287,7 @@ pie charts on a Tk canvas. Edit
  (October 11, 1999 09:58)
    TkTable Home Page
-
    The TkTable widget.  The table command creates a 
+
    The TkTable widget.  The table command creates a
 2-dimensional grid of cells. The table can use a Tcl array variable or Tcl
 
 command for data storage and retrieval. Edit
@@ -303,14 +303,14 @@ command for data storage and retrieval. Edit
  (August 23, 1999 12:14)
    ToGL - a Tk Open GL widget
 
    Togl is a Tk widget for OpenGL rendering. Togl is based on OGLTK, originally written by Benjamin Bederson at the
-University of New Mexico (who has since moved to the University of Maryland). Togl adds the new features: 
+University of New Mexico (who has since moved to the University of Maryland). Togl adds the new features:
 
      
-
    •      color-index mode support including color allocation functions 
-
    •      support for requesting stencil, accumulation, alpha buffers, etc 
-
    •      multiple OpenGL drawing widgets 
-
    •      OpenGL extension testing from Tcl 
-
    •      simple, portable font support 
-
    •      overlay plane support 
+
    •      color-index mode support including color allocation functions
+
    •      support for requesting stencil, accumulation, alpha buffers, etc
+
    •      multiple OpenGL drawing widgets
+
    •      OpenGL extension testing from Tcl
+
    •      simple, portable font support
+
    •      overlay plane support
 
    
 Togl allows one to create and manage a special Tk/OpenGL widget with Tcl and render into it with a C program. That is,
 a typical Togl program will have Tcl code for managing the user interface and a C program for computations and
@@ -383,7 +383,7 @@ tree. The tree can be displayed horizontally or vertically.
 			Works with Tcl/Tk 8.0 or higher
 
    Download: widget-0.9.tar.gz
    This is a package of
  megawidgets (i.e., compound widgets) that work almost exactly like Tk widgets.
- You can also build your own new megawidgets. 
+ You can also build your own new megawidgets.
 Includes: combobox, hierarchy, console, progressbar,
 tabnotebook, validating entry, pane geometry manager, baloon help. Edit
  (August 23, 1999 12:16)
@@ -419,15 +419,15 @@ tabnotebook, validating entry, pane geometry manager, baloon help. 
   
    
     
     © 1998-2000 Scriptics Corporation.  All rights reserved.
-        Legal Notice |  
+    Legal Notice | 
     Privacy Statement
     
    
  
    
 
-
\ No newline at end of file
+
diff --git a/ext/tk/sample/tkextlib/tkHTML/page3/index.html b/ext/tk/sample/tkextlib/tkHTML/page3/index.html
index ce92e8a22e..a04470e659 100644
--- a/ext/tk/sample/tkextlib/tkHTML/page3/index.html
+++ b/ext/tk/sample/tkextlib/tkHTML/page3/index.html
@@ -218,7 +218,7 @@
 
    How To Compile Under Unix Without Installing Tcl
    
 
    Specify the *.a file directly:
    
   
    -  $ gcc -I../tcl8.2.2/generic hello.c \ 
+  $ gcc -I../tcl8.2.2/generic hello.c \
       ../tcl8.2.2/unix/libtcl8.2.a -lm -ldl
   $ strip a.out
   $ ./a.out
@@ -226,7 +226,7 @@
 
   
    Or, tell the C compiler where to look for *.a files:
    
   
    -  $ gcc -I../tcl8.2.2/generic hello.c \ 
+  $ gcc -I../tcl8.2.2/generic hello.c \
       -L../tcl8.2.2/unix -ltcl -lm -ldl
   $ strip a.out
   $ ./a.out
@@ -982,7 +982,7 @@ int main(int argc, char **argv){
    
 
    
 
    Linkage From Tcl To C
    
 
    • 3rd parameter of Tcl_CreateCommand() is a pointer to the C subroutine
- that implements the command.
    • 4th parameter to Tcl_CreateCommand() becomes the 1st parameter to 
+ that implements the command.
    • 4th parameter to Tcl_CreateCommand() becomes the 1st parameter to
  the C routine whenever the Tcl command is executed.
    • 1st parameter to Tcl_CreateCommand() must be a valid Tcl interpreter.
  The same pointer appears as the second parameter to the C routine
  whenever the Tcl command is executed.
    
@@ -990,7 +990,7 @@ int main(int argc, char **argv){
    
 
    
 
    Linkage From Tcl To C
    
 
    • 5th parameter of Tcl_CreateCommand() is a pointer to the C subroutine
- that is called when the Tcl command is deleted.
    • 4th parameter to Tcl_CreateCommand() becomes the 1st parameter to 
+ that is called when the Tcl command is deleted.
    • 4th parameter to Tcl_CreateCommand() becomes the 1st parameter to
  the C routine.
    
 
 
    
@@ -1035,7 +1035,7 @@ pack .b
 
 
    
 
    Linkage From Tcl To C
    
-
    The argc and argv parameters work just like in 
+
    The argc and argv parameters work just like in
  main()
    
 
    
 
    
@@ -1139,7 +1139,7 @@ pack .b
 
 
    
 
    
-
    • Result should be the text of an error message if you 
+
      • Result should be the text of an error message if you
   return TCL_ERROR.
      • 3rd argument to Tcl_SetResult() can be TCL_STATIC,
   TCL_DYNAMIC, TCL_VOLATILE, or a function pointer.
      • Also consider using Tcl_AppendResult().
      • Direct access to interp->result is deprecated.
      • See the man pages for details.
      
 
@@ -1443,7 +1443,7 @@ int main(int argc, char **argv){
      
 
      Initialization Scripts
      
 
      • Run the mini TCLSH implemented above and execute the parray command
      • It doesn't work!  What's wrong? 
      • parray is really a Tcl proc that is read in when the
  interpreter is initialized. 
      • parray (and several other commands) are stored in a
-  handful of "Initialization Scripts" 
      • All the initialization scripts are stored in the 
+  handful of "Initialization Scripts" 
      • All the initialization scripts are stored in the
  "Tcl Library" - a directory on the host
  computer. 
      
 Invoke the Tcl_Init() function to locate and read the
@@ -1668,8 +1668,8 @@ int main(int argc, char **argv){
      
   
      • Allows us to implement a virtual filesystem that overlays the
   real filesystem.
      • The virtual filesystem contains all the initialization scripts
   as compiled-in strings.  The initialization scripts look like
-  they are resident on disk even though they are built in.
      • These functions first appeared in Tcl8.0.3.  
-  Presumably to support TclPro Wrapper.
      • The only documentation is comments on the code. 
+  they are resident on disk even though they are built in.
      • These functions first appeared in Tcl8.0.3.
+  Presumably to support TclPro Wrapper.
      • The only documentation is comments on the code.
   See the Tcl source file generic/tclIOUtil.c
      
 
      
 
      The TclStatInsertProc() Function
      
@@ -1997,7 +1997,7 @@ int main(int argc, char **argv){
      
 
      Compiling "Hello, World!" For Tk
      
 
      Unix:
      
   
      -  $ gcc hello.c -ltk -L/usr/X11R6/lib \ 
+  $ gcc hello.c -ltk -L/usr/X11R6/lib \
         -lX11 -ltcl -lm -ldl
   $ ./a.out
      
 
@@ -2008,7 +2008,7 @@ int main(int argc, char **argv){
      
 
   
      Windows using Mingw32:
      
   
      -  C:> gcc -mno-cygwin hello.c -mwindows \ 
+  C:> gcc -mno-cygwin hello.c -mwindows \
            -ltk82 -ltcl82 -lm
   C:> a.exe
      
 
      
@@ -2162,7 +2162,7 @@ int main(int argc, char **argv){
      
   
    •  FreeWrap - http://www.albany.net/~dlabelle/freewrap/freewrap.html 
      • 
   
    •  Wrap - http://members1.chello.nl/~j.nijtmans/wrap.html 
      • 
   
      • No C compiler required!
      • TclPro will convert Tcl script into bytecode so that it cannot be
-  easily read by the end user.  FreeWrap encrypts the scripts.
      • FreeWrap uses compression on its executable. 
+  easily read by the end user.  FreeWrap encrypts the scripts.
      • FreeWrap uses compression on its executable.
   Wrap uses compression on both the executable and on the bundled script files.
      • Usually include extensions like winico and/or BLT
      
 
 
      
@@ -2170,8 +2170,8 @@ int main(int argc, char **argv){
      
 
      
 
      • Mix C/C++ with Tcl/Tk into a standalone binary
      
 
      • mktclapp generates an application initialization file
-  that contains Tcl scripts as strings and makes all necessary calls 
-  to Tcl_Init, Tcl_CreateCommand, 
+  that contains Tcl scripts as strings and makes all necessary calls
+  to Tcl_Init, Tcl_CreateCommand,
   Tcl*InsertProc, etc.
      • Features to make it easier to write new Tcl command in C
      • xmktclapp.tcl provides a GUI interface to mktclapp
      • http://www.hwaci.com/sw/mktclapp/
      
 
 
      
@@ -2400,7 +2400,7 @@ int ET_OBJCOMMAND_add2(ET_OBJARGS){
      
 
      Locations Of Libraries
      
 
      
 
      • Tells mktclapp where to look for script libraries.
      • All Tcl scripts in the indicated directories are
-  compiled into the appinit.c file.
      • Comments and extra white-space are removed. 
+  compiled into the appinit.c file.
      • Comments and extra white-space are removed.
   There is no way to turn this off.
      
 
 
      
@@ -2607,10 +2607,10 @@ int main(int argc, char **argv){
 
 
      
 
      Mktclapp Initialization Sequence
      
-
      • Initialization starts when the Et_Init() 
+
        • Initialization starts when the Et_Init()
   function is called either by client code or by
   the main() that mktclapp generates
        • Create the main Tcl interpreter
        • Construct the virtual filesystem overlay by redefining
-  the source command and by using the 
+  the source command and by using the
   Tcl*InsertProc() functions
        • Call Et_PreInit() if the client defines it
        • Call Tcl_Init() and Tk_Init()
        • Call Tcl_CreateCommand() and Tcl_CreateObjCommand()
   for every ET_COMMAND_* and ET_OBJCOMMAND_* function
   in the client code
        • Call Et_AppInit() if the client defines it
        • Run the main Tcl script if there is one
        • Call Et_CustomMainLoop() if defined by client code or
@@ -2680,7 +2680,7 @@ void ErrMsg(char *zMsg){
          
   
          • 
   The command that gets executed is:
   
            -    tk_messageBox -icon error -msg \ 
+    tk_messageBox -icon error -msg \
         {Syntax error near "}"} -type ok
   
            
   
          
@@ -2708,7 +2708,7 @@ void ErrMsg(char *zMsg){
          
 
          • The  puts a backslash before all characters that
   are special to Tcl
          • The Tcl command becomes:
   
            -    tk_messageBox -icon error -msg \ 
+    tk_messageBox -icon error -msg \
         "Syntax error near \"\}\"" -type ok
   
          
 
diff --git a/ext/tk/sample/tkextlib/tkimg/license_terms_of_Img_extension b/ext/tk/sample/tkextlib/tkimg/license_terms_of_Img_extension
index 7f515feee8..23238e9c66 100644
--- a/ext/tk/sample/tkextlib/tkimg/license_terms_of_Img_extension
+++ b/ext/tk/sample/tkextlib/tkimg/license_terms_of_Img_extension
@@ -30,7 +30,7 @@ MODIFICATIONS.
 
 GOVERNMENT USE: If you are acquiring this software on behalf of the
 U.S. government, the Government shall have only "Restricted Rights"
-in the software and related documentation as defined in the Federal 
+in the software and related documentation as defined in the Federal
 Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2).  If you
 are acquiring the software on behalf of the Department of Defense, the
 software shall be classified as "Commercial Computer Software" and the
@@ -38,4 +38,4 @@ Government shall have only "Restricted Rights" as defined in Clause
 252.227-7013 (c) (1) of DFARs.  Notwithstanding the foregoing, the
 authors grant the U.S. Government and others acting in its behalf
 permission to use and distribute the software in accordance with the
-terms specified in this license. 
+terms specified in this license.
diff --git a/ext/tk/sample/tkextlib/tkimg/readme.txt b/ext/tk/sample/tkextlib/tkimg/readme.txt
index 4d9774492c..8e4b0163b1 100644
--- a/ext/tk/sample/tkextlib/tkimg/readme.txt
+++ b/ext/tk/sample/tkextlib/tkimg/readme.txt
@@ -1,3 +1,3 @@
-The script 'demo.rb' is based on 'demo.tcl' of Tcl/Tk's 'Img' extention. 
+The script 'demo.rb' is based on 'demo.tcl' of Tcl/Tk's 'Img' extention.
 Image data in 'demo.rb' is those of 'demo.tcl'.
 Please read 'license_terms_of_Img_extension' file.
diff --git a/ext/tk/sample/tkextlib/treectrl/readme.txt b/ext/tk/sample/tkextlib/treectrl/readme.txt
index 9f26ac069c..bda4f63d88 100644
--- a/ext/tk/sample/tkextlib/treectrl/readme.txt
+++ b/ext/tk/sample/tkextlib/treectrl/readme.txt
@@ -1,2 +1,2 @@
 The scripts and image files in this directory are based on demo files
-of Tcl/Tk's TreeCtrl extention. 
+of Tcl/Tk's TreeCtrl extention.
diff --git a/ext/win32ole/depend b/ext/win32ole/depend
index 4bf5ab5b94..3b1d7e9a97 100644
--- a/ext/win32ole/depend
+++ b/ext/win32ole/depend
@@ -1 +1 @@
-win32ole.o : win32ole.c $(hdrdir)/ruby.h $(hdrdir)/config.h $(hdrdir)/defines.h 
+win32ole.o : win32ole.c $(hdrdir)/ruby.h $(hdrdir)/config.h $(hdrdir)/defines.h
-- 
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