* removed trailing spaces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28085 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

19 files changed, 86 insertions, 92 deletions

diff --git a/ChangeLog b/ChangeLog
index 0f84d98906..9a073925f8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -21,8 +21,8 @@ Sun May 30 02:21:34 2010  Yusuke Endoh  <mame@tsg.ne.jp>
 
 Sun May 30 01:25:48 2010  Masaya Tarui  <tarui@ruby-lnag.org>
 
-	* thread.c (RB_GC_SAVE_MACHINE_CONTEXT): start GC 
-	  by switching the thread if gc_stress == true 
+	* thread.c (RB_GC_SAVE_MACHINE_CONTEXT): start GC
+	  by switching the thread if gc_stress == true
 
 	* gc.c (ruby_gc_stress_start): ditto.
 
@@ -103,7 +103,7 @@ Fri May 28 10:40:37 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 Fri May 28 00:47:16 2010  Masaya Tarui  <tarui@ruby-lnag.org>
 
-	* error.c (rb_bug): suppress the error report dialog if report_bug() 
+	* error.c (rb_bug): suppress the error report dialog if report_bug()
 	  is finished successfly.
 
 Fri May 28 00:32:25 2010  Yusuke Endoh  <mame@tsg.ne.jp>
@@ -254,7 +254,6 @@ Sun May 23 07:08:34 2010  Aaron Patterson <aaron@tenderlovemaking.com>
 	* ext/psych/lib/psych/json/tree_builder.rb: refactor
 
 	* ext/psych/lib/psych/visitors/json_tree.rb: refactor
-	
 
 Sat May 22 03:53:05 2010  Satoshi Shiba  <shiba@rvm.jp>
 
@@ -772,7 +771,7 @@ Sat May  8 13:48:31 2010  Marc-Andre Lafortune  <ruby-core@marc-andre.ca>
 	* array.c (rb_ary_fetch, rb_ary_splice, rb_ary_store): Improve
 	  IndexError
 	  messages [ruby-core:28394]
-	
+
 	* hash.c (rb_hash_fetch_m): Improve KeyError message
 
 Sat May  8 13:11:28 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
@@ -1154,21 +1153,21 @@ Fri Apr 30 11:40:44 2010  Marc-Andre Lafortune  <ruby-core@marc-andre.ca>
 	* eval.c (make_exception, rb_obj_extend): Fix error messages in case
 	  of wrong
 	  number of arguments
-	
+
 	* file.c (rb_f_test, rb_file_s_umask): ditto
-	
+
 	* numeric.c (int_chr, num_step): ditto
-	
+
 	* process.c (rb_f_sleep): ditto
-	
+
 	* re.c (rb_reg_initialize_m): ditto
-	
+
 	* signal.c (rb_f_kill, sig_trap): ditto
-	
+
 	* string.c (rb_str_aref_m, rb_str_aset_m, rb_str_count,
 	  rb_str_delete_bang,
 	  rb_str_slice_bang, rb_str_sub_bang, str_gsub): ditto
-	
+
 	* proc.c (curry): rdoc fix
 
 Fri Apr 30 04:09:30 2010  NAKAMURA Usaku  <usa@ruby-lang.org>
@@ -4634,7 +4633,6 @@ Tue Jan 26 20:21:28 2010  Masatoshi SEKI  <m_seki@mva.biglobe.ne.jp>
 	* lib/drb/eq.rb: fix circular require in drb.
 	  reported by akr. see [ruby-dev:40156] [ruby-core:27661]
 
-
 Tue Jan 26 19:59:17 2010  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* ext/zlib/zlib.c (rb_gzfile_s_wrap): add rdoc. [Bug #2656]
@@ -4889,7 +4887,6 @@ Tue Jan 19 09:03:37 2010  Aaron Patterson  <tenderlove@ruby-lang.org>
 
 	* test/zlib/test_zlib.rb: corresponding tests [ruby-core:27551]
 
-
 Tue Jan 19 02:02:32 2010  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* test/ruby/test_array.rb: add some tests (for coverage).
@@ -6710,7 +6707,6 @@ Wed Oct 28 14:51:31 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/etc/etc.c (etc_each_group): fixed typo.
 
-
 Wed Oct 28 13:02:10 2009  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* lib/net/ftp.rb (Net::FTP#initialize): sets @binary to true.
@@ -8044,7 +8040,6 @@ Wed Sep 23 11:28:06 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* tool/instruction.rb (make_footer_stack_val): ditto.
 
-
 Wed Sep 23 05:03:36 2009  Marc-Andre Lafortune  <ruby-core@marc-andre.ca>
 
 	* proc.c (umethod_bind, rb_mod_define_method): Fix bug that
@@ -8468,7 +8463,6 @@ Mon Sep 14 03:30:23 2009  Alexander Zavorine  <alexandre.zavorine@nokia.com>
 
 	* symbian/configure.bat: fixed harmless error message.
 
-
 Sun Sep 13 22:18:33 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* variable.c (rb_mod_remove_const): do not change VM state when an
diff --git a/array.c b/array.c
index 467a50ea76..b7ee2f8833 100644
--- a/array.c
+++ b/array.c
@@ -1610,7 +1610,7 @@ ary_join_1(VALUE obj, VALUE ary, VALUE sep, long i, VALUE result)
 	    }
 	    else {
 		VALUE args[3];
-		
+
 		args[0] = val;
 		args[1] = sep;
 		args[2] = result;
@@ -1865,7 +1865,7 @@ rb_ary_rotate(VALUE ary, long cnt)
 
     return Qnil;
 }
-    
+
 /*
  *  call-seq:
  *     ary.rotate!(cnt=1) -> ary
diff --git a/bignum.c b/bignum.c
index 905f2b8e51..24f13403b3 100644
--- a/bignum.c
+++ b/bignum.c
@@ -2670,7 +2670,7 @@ big_shift(VALUE x, long n)
     return x;
 }
 
-static VALUE 
+static VALUE
 big_fdiv(VALUE x, VALUE y)
 {
 #define DBL_BIGDIG ((DBL_MANT_DIG + BITSPERDIG) / BITSPERDIG)
diff --git a/class.c b/class.c
index 5ce450f7ae..9a3984a901 100644
--- a/class.c
+++ b/class.c
@@ -243,7 +243,7 @@ rb_singleton_class_attached(VALUE klass, VALUE obj)
 
 
 
-#define METACLASS_OF(k) RBASIC(k)->klass    
+#define METACLASS_OF(k) RBASIC(k)->klass
 
 /*!
  * whether k is a meta^(n)-class of Class class
@@ -344,7 +344,7 @@ Init_class_hierarchy(void)
     rb_cModule = boot_defclass("Module", rb_cObject);
     rb_cClass =  boot_defclass("Class",  rb_cModule);
 
-    RBASIC(rb_cClass)->klass 
+    RBASIC(rb_cClass)->klass
 	= RBASIC(rb_cModule)->klass
 	= RBASIC(rb_cObject)->klass
 	= RBASIC(rb_cBasicObject)->klass
@@ -419,10 +419,10 @@ rb_class_inherited(VALUE super, VALUE klass)
 /*!
  * Defines a top-level class.
  * \param name   name of the class
- * \param super  a class from which the new class will derive. 
+ * \param super  a class from which the new class will derive.
  *               NULL means \c Object class.
  * \return the created class
- * \throw TypeError if the constant name \a name is already taken but 
+ * \throw TypeError if the constant name \a name is already taken but
  *                  the constant is not a \c Class.
  * \throw NameError if the class is already defined but the class can not
  *                  be reopened because its superclass is not \a super.
@@ -465,10 +465,10 @@ rb_define_class(const char *name, VALUE super)
  * Defines a class under the namespace of \a outer.
  * \param outer  a class which contains the new class.
  * \param name   name of the new class
- * \param super  a class from which the new class will derive. 
+ * \param super  a class from which the new class will derive.
  *               NULL means \c Object class.
  * \return the created class
- * \throw TypeError if the constant name \a name is already taken but 
+ * \throw TypeError if the constant name \a name is already taken but
  *                  the constant is not a \c Class.
  * \throw NameError if the class is already defined but the class can not
  *                  be reopened because its superclass is not \a super.
@@ -488,10 +488,10 @@ rb_define_class_under(VALUE outer, const char *name, VALUE super)
  * Defines a class under the namespace of \a outer.
  * \param outer  a class which contains the new class.
  * \param id     name of the new class
- * \param super  a class from which the new class will derive. 
+ * \param super  a class from which the new class will derive.
  *               NULL means \c Object class.
  * \return the created class
- * \throw TypeError if the constant name \a name is already taken but 
+ * \throw TypeError if the constant name \a name is already taken but
  *                  the constant is not a \c Class.
  * \throw NameError if the class is already defined but the class can not
  *                  be reopened because its superclass is not \a super.
@@ -1019,12 +1019,12 @@ rb_obj_singleton_methods(int argc, VALUE *argv, VALUE obj)
  * These API takes a C function as a method body.
  *
  * \par Method body functions
- * Method body functions must return a VALUE and 
+ * Method body functions must return a VALUE and
  * can be one of the following form:
  * <dl>
  * <dt>Fixed number of parameters</dt>
  * <dd>
- *     This form is a normal C function, excepting it takes 
+ *     This form is a normal C function, excepting it takes
  *     a receiver object as the first argument.
  *
  *     \code
@@ -1044,7 +1044,7 @@ rb_obj_singleton_methods(int argc, VALUE *argv, VALUE obj)
  * <dt>Ruby array style</dt>
  * <dd>
  *     This form takes two parameters: self and args.
- *     \a self is the receiver. \a args is an Array object which 
+ *     \a self is the receiver. \a args is an Array object which
  *     contains the arguments.
  *
  *     \code
@@ -1118,7 +1118,7 @@ rb_undef_method(VALUE klass, const char *name)
  *
  * \note DO NOT expose the returned singleton class to
  *       outside of class.c.
- *       Use \ref rb_singleton_class instead for 
+ *       Use \ref rb_singleton_class instead for
  *       consistency of the metaclass hierarchy.
  */
 static VALUE
@@ -1170,11 +1170,11 @@ singleton_class_of(VALUE obj)
  * \return the singleton class.
  *
  * \post \a obj has its own singleton class.
- * \post if \a obj is a class, 
- *       the returned singleton class also has its own 
+ * \post if \a obj is a class,
+ *       the returned singleton class also has its own
  *       singleton class in order to keep consistency of the
  *       inheritance structure of metaclasses.
- * \note a new singleton class will be created 
+ * \note a new singleton class will be created
  *       if \a obj does not have it.
  * \note the singleton classes for nil, true and false are:
  *       NilClass, TrueClass and FalseClass.
@@ -1185,7 +1185,7 @@ rb_singleton_class(VALUE obj)
     VALUE klass = singleton_class_of(obj);
 
     /* ensures an exposed class belongs to its own eigenclass */
-    if (TYPE(obj) == T_CLASS) ENSURE_EIGENCLASS(klass); 
+    if (TYPE(obj) == T_CLASS) ENSURE_EIGENCLASS(klass);
 
     return klass;
 }
diff --git a/enum.c b/enum.c
index a7df79300a..54e36ffdb9 100644
--- a/enum.c
+++ b/enum.c
@@ -2273,7 +2273,7 @@ chunk_i(VALUE yielder, VALUE enumerator, int argc, VALUE *argv)
  *  splitted as follows.
  *
  *    [3,1,4,1,5,9,2,6,5,3,5].chunk {|n|
- *      n.even?          
+ *      n.even?
  *    }.each {|even, ary|
  *      p [even, ary]
  *    }
@@ -2305,12 +2305,12 @@ chunk_i(VALUE yielder, VALUE enumerator, int argc, VALUE *argv)
  *  For example, the sequence of hyphens in svn log can be eliminated as follows.
  *
  *    sep = "-"*72 + "\n"
- *    IO.popen("svn log README") {|f|                 
+ *    IO.popen("svn log README") {|f|
  *      f.chunk {|line|
  *        line != sep || nil
  *      }.each {|_, lines|
  *        pp lines
- *      }      
+ *      }
  *    }
  *    #=> ["r20018 | knu | 2008-10-29 13:20:42 +0900 (Wed, 29 Oct 2008) | 2 lines\n",
  *    #    "\n",
@@ -2322,7 +2322,7 @@ chunk_i(VALUE yielder, VALUE enumerator, int argc, VALUE *argv)
  *    #    "\n"]
  *    #   ...
  *
- *  paragraphs separated by empty lines can be parsed as follows. 
+ *  paragraphs separated by empty lines can be parsed as follows.
  *
  *    File.foreach("README").chunk {|line|
  *      /\A\s*\z/ !~ line || nil
@@ -2438,7 +2438,7 @@ slicebefore_i(VALUE yielder, VALUE enumerator, int argc, VALUE *argv)
  *
  *  Creates an enumerator for each chunked elements.
  *  The beginnings of chunks are defined by _pattern_ and the block.
- *  If _pattern_ === _elt_ returns true or 
+ *  If _pattern_ === _elt_ returns true or
  *  the block returns true for the element,
  *  the element is beginning of a chunk.
  *
@@ -2471,7 +2471,7 @@ slicebefore_i(VALUE yielder, VALUE enumerator, int argc, VALUE *argv)
  *    }
  *
  * "svn proplist -R" produces multiline output for each file.
- * They can be chunked as follows: 
+ * They can be chunked as follows:
  *
  *    IO.popen([{"LC_ALL"=>"C"}, "svn", "proplist", "-R"]) {|f|
  *      f.lines.slice_before(/\AProp/).each {|lines| p lines }
@@ -2487,7 +2487,7 @@ slicebefore_i(VALUE yielder, VALUE enumerator, int argc, VALUE *argv)
  *  For example, three or more consecutive increasing numbers can be squashed
  *  as follows:
  *
- *    a = [0,2,3,4,6,7,9] 
+ *    a = [0,2,3,4,6,7,9]
  *    prev = a[0]
  *    p a.slice_before {|e|
  *      prev, prev2 = e, prev
diff --git a/enumerator.c b/enumerator.c
index 7f5b854449..bdf3bb80d2 100644
--- a/enumerator.c
+++ b/enumerator.c
@@ -22,7 +22,7 @@
  *
  * An enumerator can be created by following methods.
  * - Kernel#to_enum
- * - Kernel#enum_for 
+ * - Kernel#enum_for
  * - Enumerator.new
  *
  * Also, most iteration methods without a block returns an enumerator.
@@ -72,7 +72,7 @@
  *   # convert o.each to an external iterator for
  *   # implementing an internal iterator.
  *   p ext_each(o.to_enum) {|*x| p x; [:b, *x] }
- *   #=> [], [:b], [1], [:b, 1], [1, 2], [:b, 1, 2], 3 
+ *   #=> [], [:b], [1], [:b, 1], [1, 2], [:b, 1, 2], 3
  *
  */
 VALUE rb_cEnumerator;
@@ -600,18 +600,18 @@ enumerator_peek_values(VALUE obj)
  *
  *   o = Object.new
  *   def o.each
- *     yield  
+ *     yield
  *     yield 1
  *     yield 1, 2
  *   end
  *   e = o.to_enum
  *   p e.peek_values    #=> []
- *   e.next  
+ *   e.next
  *   p e.peek_values    #=> [1]
  *   p e.peek_values    #=> [1]
- *   e.next  
+ *   e.next
  *   p e.peek_values    #=> [1, 2]
- *   e.next  
+ *   e.next
  *   p e.peek_values    # raises StopIteration
  *
  */
@@ -662,10 +662,10 @@ enumerator_peek(VALUE obj)
  *   o = Object.new
  *   def o.each
  *     # (2)
- *     x = yield               
+ *     x = yield
  *     p x          #=> "foo"
  *     # (5)
- *     x = yield                 
+ *     x = yield
  *     p x          #=> nil
  *     # (7)
  *     x = yield
@@ -1061,7 +1061,7 @@ generator_each(VALUE obj)
  *   rescue StopIteration
  *     p $!.result              #=> 100
  *   end
- * 
+ *
  */
 static VALUE
 stop_result(VALUE self)
diff --git a/error.c b/error.c
index 5afabce482..d5589ccdaf 100644
--- a/error.c
+++ b/error.c
@@ -31,7 +31,7 @@ static const char *
 rb_strerrno(int err)
 {
 #define defined_error(name, num) if (err == num) return name;
-#define undefined_error(name) 
+#define undefined_error(name)
 #include "known_errors.inc"
 #undef defined_error
 #undef undefined_error
diff --git a/file.c b/file.c
index 7c980f3732..56b467fa99 100644
--- a/file.c
+++ b/file.c
@@ -3355,7 +3355,7 @@ rb_realpath_internal(VALUE basedir, VALUE path, int strict)
  *
  *  If _dir_string_ is given, it is used as a base directory
  *  for interpreting relative pathname instead of the current directory.
- * 
+ *
  *  All components of the pathname must exist when this method is
  *  called.
  */
@@ -3373,10 +3373,10 @@ rb_file_s_realpath(int argc, VALUE *argv, VALUE klass)
  *
  *  Returns the real (absolute) pathname of _pathname_ in the actual filesystem.
  *  The real pathname doesn't contain symlinks or useless dots.
- * 
+ *
  *  If _dir_string_ is given, it is used as a base directory
  *  for interpreting relative pathname instead of the current directory.
- * 
+ *
  *  The last component of the real pathname can be nonexistent.
  */
 static VALUE
diff --git a/io.c b/io.c
index 75eadcf3fc..b67bcaf9c6 100644
--- a/io.c
+++ b/io.c
@@ -1176,7 +1176,7 @@ static void clear_readconv(rb_io_t *fptr);
  *     f.rewind     #=> 0
  *     f.lineno     #=> 0
  *     f.readline   #=> "This is line one\n"
- * 
+ *
  *  Note that it cannot be used with streams such as pipes, ttys, and sockets.
  */
 
diff --git a/object.c b/object.c
index 808ad29ba1..414c3a9159 100644
--- a/object.c
+++ b/object.c
@@ -2202,7 +2202,7 @@ rb_Integer(VALUE val)
  *  when <i>base</i> is omitted or equals to zero, radix indicators
  *  (<code>0</code>, <code>0b</code>, and <code>0x</code>) are honored.
  *  In any case, strings should be strictly conformed to numeric
- *  representation. This behavior is different from that of 
+ *  representation. This behavior is different from that of
  *  <code>String#to_i</code>.  Non string values will be converted using
  *  <code>to_int</code>, and <code>to_i</code>.
  *
diff --git a/pack.c b/pack.c
index 3a6b3a68d0..245c940237 100644
--- a/pack.c
+++ b/pack.c
@@ -330,7 +330,7 @@ static unsigned long utf8_to_uv(const char*,long*);
  *      s      | Integer | 16-bit signed integer, native endian (int16_t)
  *      l      | Integer | 32-bit signed integer, native endian (int32_t)
  *      q      | Integer | 64-bit signed integer, native endian (int64_t)
- *             |         | 
+ *             |         |
  *      S_     | Integer | unsigned short, native endian
  *      I, I_  | Integer | unsigned int, native endian
  *      L_     | Integer | unsigned long, native endian
@@ -346,7 +346,7 @@ static unsigned long utf8_to_uv(const char*,long*);
  *             |         |
  *      U      | Integer | UTF-8 character
  *      w      | Integer | BER-compressed integer
- *                        
+ *
  *   Float     |         |
  *   Directive |         | Meaning
  *   ------------------------------------------------------------------------
@@ -356,7 +356,7 @@ static unsigned long utf8_to_uv(const char*,long*);
  *      e      | Float   | single-precision float, little-endian byte order
  *      G      | Float   | double-precision float, network (big-endian) byte order
  *      g      | Float   | single-precision float, network (big-endian) byte order
- *                        
+ *
  *   String    |         |
  *   Directive |         | Meaning
  *   ------------------------------------------------------------------------
@@ -373,7 +373,7 @@ static unsigned long utf8_to_uv(const char*,long*);
  *             |         | (if count is 0, no line feed are added, see RFC 4648)
  *      P      | String  | pointer to a structure (fixed-length string)
  *      p      | String  | pointer to a null-terminated string
- *                        
+ *
  *   Misc.     |         |
  *   Directive |         | Meaning
  *   ------------------------------------------------------------------------
@@ -1258,7 +1258,7 @@ infected_str_new(const char *ptr, long len, VALUE str)
  *             |         |
  *      U      | Integer | UTF-8 character
  *      w      | Integer | BER-compressed integer (see Array.pack)
- *             
+ *
  *   Float     |         |
  *   Directive | Returns | Meaning
  *   --------------------------------------------------------------
@@ -1268,7 +1268,7 @@ infected_str_new(const char *ptr, long len, VALUE str)
  *      e      | Float   | single-precision float, little-endian byte order
  *      G      | Float   | double-precision float, network (big-endian) byte order
  *      g      | Float   | single-precision float, network (big-endian) byte order
- *             
+ *
  *   String    |         |
  *   Directive | Returns | Meaning
  *   --------------------------------------------------------------
@@ -1285,7 +1285,7 @@ infected_str_new(const char *ptr, long len, VALUE str)
  *             |         | base64 encoded string (RFC 4648) if followed by 0
  *      P      | String  | pointer to a structure (fixed-length string)
  *      p      | String  | pointer to a null-terminated string
- *             
+ *
  *   Misc.     |         |
  *   Directive | Returns | Meaning
  *   --------------------------------------------------------------
@@ -1554,7 +1554,7 @@ pack_unpack(VALUE str, VALUE fmt)
 	    integer_size = QUAD_SIZE;
 	    bigendian_p = BIGENDIAN_P();
 	    goto unpack_integer;
-	    
+
 	  case 'Q':
 	    signed_p = 0;
 	    integer_size = QUAD_SIZE;
diff --git a/proc.c b/proc.c
index 856c3ee9bb..01d06bf076 100644
--- a/proc.c
+++ b/proc.c
@@ -1332,7 +1332,7 @@ rb_mod_define_method(int argc, VALUE *argv, VALUE mod)
  *
  *  Defines a singleton method in the receiver. The _method_
  *  parameter can be a +Proc+, a +Method+ or an +UnboundMethod+ object.
- *  If a block is specified, it is used as the method body. 
+ *  If a block is specified, it is used as the method body.
  *
  *     class A
  *       class << self
diff --git a/thread.c b/thread.c
index dcf7a2e838..aff7182701 100644
--- a/thread.c
+++ b/thread.c
@@ -3725,7 +3725,7 @@ thread_reset_event_flags(rb_thread_t *th)
 }
 
 static void
-rb_threadptr_add_event_hook(rb_thread_t *th, 
+rb_threadptr_add_event_hook(rb_thread_t *th,
 			 rb_event_hook_func_t func, rb_event_flag_t events, VALUE data)
 {
     rb_event_hook_t *hook = alloc_event_hook(func, events, data);
diff --git a/time.c b/time.c
index 7a1fb48dfc..63b52a0726 100644
--- a/time.c
+++ b/time.c
@@ -131,7 +131,7 @@ static VALUE
 mul(VALUE x, VALUE y)
 {
     if (FIXNUM_P(x) && FIXNUM_P(y)) {
-#if HAVE_LONG_LONG && SIZEOF_LONG * 2 <= SIZEOF_LONG_LONG 
+#if HAVE_LONG_LONG && SIZEOF_LONG * 2 <= SIZEOF_LONG_LONG
         LONG_LONG ll = (LONG_LONG)FIX2LONG(x) * FIX2LONG(y);
         if (FIXABLE(ll))
             return LONG2FIX(ll);
@@ -1362,7 +1362,7 @@ static struct tm *localtime_with_gmtoff(const time_t *t, struct tm *result, long
  * The year 2037 is not used because
  * http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=522949
  *
- *  #!/usr/bin/ruby 
+ *  #!/usr/bin/ruby
  *
  *  require 'date'
  *
@@ -1373,8 +1373,8 @@ static struct tm *localtime_with_gmtoff(const time_t *t, struct tm *result, long
  *      d = Date.new(y,m,1)
  *      h[m] ||= {}
  *      h[m][d.wday] ||= y
- *    }   
- *  } 
+ *    }
+ *  }
  *
  *  1.upto(12) {|m|
  *    print "{"
@@ -1405,10 +1405,10 @@ static int compat_common_month_table[12][7] = {
 /*
  * compat_leap_month_table is generated by following program.
  *
- *  #!/usr/bin/ruby 
- * 
+ *  #!/usr/bin/ruby
+ *
  *  require 'date'
- * 
+ *
  *  h = {}
  *  2037.downto(2010) {|y|
  *    1.upto(12) {|m|
@@ -1418,7 +1418,7 @@ static int compat_common_month_table[12][7] = {
  *      h[m][d.wday] ||= y
  *    }
  *  }
- * 
+ *
  *  2.upto(2) {|m|
  *    0.upto(6) {|w|
  *      y = h[m][w]
@@ -2145,7 +2145,7 @@ time_init_1(int argc, VALUE *argv, VALUE time)
  *     t1 = Time.new(2007,11,1,15,25,0, "+09:00") # JST (Narita)
  *     t2 = Time.new(2007,11,1,12, 5,0, "-05:00") # CDT (Minneapolis)
  *     t3 = Time.new(2007,11,1,13,25,0, "-05:00") # CDT (Minneapolis)
- *     t4 = Time.new(2007,11,1,16,53,0, "-04:00") # EDT (Charlotte) 
+ *     t4 = Time.new(2007,11,1,16,53,0, "-04:00") # EDT (Charlotte)
  *     t5 = Time.new(2007,11,5, 9,24,0, "-05:00") # EST (Charlotte)
  *     t6 = Time.new(2007,11,5,11,21,0, "-05:00") # EST (Detroit)
  *     t7 = Time.new(2007,11,5,13,45,0, "-05:00") # EST (Detroit)
@@ -3701,7 +3701,7 @@ rb_time_succ(VALUE time)
  *     p t.round(9).iso8601(10)  #=> "2010-03-30T05:43:25.1234567890Z"
  *     p t.round(10).iso8601(10) #=> "2010-03-30T05:43:25.1234567890Z"
  *
- *     t = Time.utc(1999,12,31, 23,59,59)          
+ *     t = Time.utc(1999,12,31, 23,59,59)
  *     p((t + 0.4).round.iso8601(3))    #=> "1999-12-31T23:59:59.000Z"
  *     p((t + 0.49).round.iso8601(3))   #=> "1999-12-31T23:59:59.000Z"
  *     p((t + 0.5).round.iso8601(3))    #=> "2000-01-01T00:00:00.000Z"
@@ -4258,13 +4258,13 @@ strftimev(const char *fmt, VALUE time)
  *    %C - Century (20 in 2009)
  *    %d - Day of the month (01..31)
  *    %D - Date (%m/%d/%y)
- *    %e - Day of the month, blank-padded ( 1..31) 
+ *    %e - Day of the month, blank-padded ( 1..31)
  *    %F - Equivalent to %Y-%m-%d (the ISO 8601 date format)
  *    %h - Equivalent to %b
  *    %H - Hour of the day, 24-hour clock (00..23)
  *    %I - Hour of the day, 12-hour clock (01..12)
  *    %j - Day of the year (001..366)
- *    %k - hour, 24-hour clock, blank-padded ( 0..23) 
+ *    %k - hour, 24-hour clock, blank-padded ( 0..23)
  *    %l - hour, 12-hour clock, blank-padded ( 0..12)
  *    %L - Millisecond of the second (000..999)
  *    %m - Month of the year (01..12)
diff --git a/vm.c b/vm.c
index 2e8421a931..d1563d57f2 100644
--- a/vm.c
+++ b/vm.c
@@ -397,7 +397,7 @@ collect_local_variables_in_iseq(rb_iseq_t *iseq, const VALUE ary)
 static int
 collect_local_variables_in_env(rb_env_t * env, const VALUE ary)
 {
-    
+
     while (collect_local_variables_in_iseq(env->block.iseq, ary),
 	   env->prev_envval) {
 	GetEnvPtr(env->prev_envval, env);
diff --git a/vm_eval.c b/vm_eval.c
index e609ca0e0b..8024cef253 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -214,7 +214,7 @@ static inline int rb_method_call_status(rb_thread_t *th, rb_method_entry_t *me,
  * \param mid    an ID that represents the name of the method
  * \param argc   the number of method arguments
  * \param argv   a pointer to an array of method arguments
- * \param scope  
+ * \param scope
  * \param self   self in the caller. Qundef means the current control frame's self.
  *
  * \note \a self is used in order to controlling access to protected methods.
@@ -429,7 +429,7 @@ rb_method_call_status(rb_thread_t *th, rb_method_entry_t *me, call_type scope, V
  * \param mid    an ID that represents the name of the method
  * \param argc   the number of method arguments
  * \param argv   a pointer to an array of method arguments
- * \param scope  
+ * \param scope
  */
 static inline VALUE
 rb_call(VALUE recv, ID mid, int argc, const VALUE *argv, call_type scope)
diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index 3b442c8d9e..c801cd9c8a 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -448,8 +448,8 @@ vm_method_missing(rb_thread_t *th, ID id, VALUE recv,
 }
 
 static inline void
-vm_setup_method(rb_thread_t *th, rb_control_frame_t *cfp, 
-		VALUE recv, int argc, const rb_block_t *blockptr, VALUE flag, 
+vm_setup_method(rb_thread_t *th, rb_control_frame_t *cfp,
+		VALUE recv, int argc, const rb_block_t *blockptr, VALUE flag,
 		const rb_method_entry_t *me)
 {
     int opt_pc, i;
diff --git a/vm_method.c b/vm_method.c
index 65bc2dadd8..50f0b12e5a 100644
--- a/vm_method.c
+++ b/vm_method.c
@@ -756,7 +756,7 @@ rb_mod_method_defined(VALUE mod, VALUE mid)
 	return Qfalse;
     }
     return Qtrue;
-    
+
 }
 
 #define VISI_CHECK(x,f) (((x)&NOEX_MASK) == (f))
diff --git a/vsnprintf.c b/vsnprintf.c
index a389d15fc3..26e2082f12 100644
--- a/vsnprintf.c
+++ b/vsnprintf.c
@@ -37,7 +37,7 @@
  * paragraph 3 above is now null and void.
  */
 
-/* SNPRINTF.C  
+/* SNPRINTF.C
  * fjc 7-31-97 Modified by Mib Software to be a standalone snprintf.c module.
  *      http://www.mibsoftware.com
  * Mib Software does not warrant this software any differently than the
@@ -50,7 +50,7 @@
  *      allow inclusion into libraries with less chance of namespace collisions.
  *
  *      snprintf should be the only externally visible item.
- *     
+ *
  *      As of 7-31-97 FLOATING_POINT is NOT provided.  The code is somewhat
  *        non-portable, so it is disabled.
  */
@@ -84,7 +84,7 @@
 # endif
 # include <varargs.h>
 #endif
-#ifndef _BSD_VA_LIST_ 
+#ifndef _BSD_VA_LIST_
 #define	_BSD_VA_LIST_ va_list
 #endif
 
@@ -408,7 +408,7 @@ BSD__uqtoa(register u_quad_t val, char *endp, int base, int octzero, const char
 		break;
 
 	default:			/* oops */
-		/* 
+		/*
 		abort();
 		*/
 		break;	/* fjc 7-31-97.  Don't reference abort() here */
@@ -473,7 +473,7 @@ BSD__ultoa(register u_long val, char *endp, int base, int octzero, const char *x
 		break;
 
 	default:			/* oops */
-		/* 
+		/*
 		abort();
 		*/
 		break;	/* fjc 7-31-97.  Don't reference abort() here */
@@ -824,7 +824,7 @@ fp_begin:		_double = va_arg(ap, double);
 					ch = (ch == 'g') ? 'e' : 'E';
 				else
 					ch = 'g';
-			} 
+			}
 			if (ch == 'a' || ch == 'A') {
 				--expt;
 				expsize = exponent(expstr, expt, ch + 'p' - 'a');