* {ext,lib,test}/**/*.rb: removed trailing spaces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22784 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

6 files changed, 115 insertions, 115 deletions

diff --git a/lib/cgi/cookie.rb b/lib/cgi/cookie.rb
index befe1402e6..5c2cd62a27 100644
--- a/lib/cgi/cookie.rb
+++ b/lib/cgi/cookie.rb
@@ -15,16 +15,16 @@
   #                              'expires' => Time.now, # optional
   #                              'secure'  => true      # optional
   #                             )
-  # 
+  #
   #   cgi.out("cookie" => [cookie1, cookie2]) { "string" }
-  # 
+  #
   #   name    = cookie1.name
   #   values  = cookie1.value
   #   path    = cookie1.path
   #   domain  = cookie1.domain
   #   expires = cookie1.expires
   #   secure  = cookie1.secure
-  # 
+  #
   #   cookie1.name    = 'name'
   #   cookie1.value   = ['value1', 'value2', ...]
   #   cookie1.path    = 'path'
@@ -48,7 +48,7 @@ class CGI
     # domain:: the domain for which this cookie applies.
     # expires:: the time at which this cookie expires, as a +Time+ object.
     # secure:: whether this cookie is a secure cookie or not (default to
-    #          false).  Secure cookies are only transmitted to HTTPS 
+    #          false).  Secure cookies are only transmitted to HTTPS
     #          servers.
     #
     # These keywords correspond to attributes of the cookie object.
diff --git a/lib/cgi/core.rb b/lib/cgi/core.rb
index 95cf423d83..69c7f28603 100644
--- a/lib/cgi/core.rb
+++ b/lib/cgi/core.rb
@@ -13,7 +13,7 @@ class CGI
 
   REVISION = '$Id$' #:nodoc:
 
-  NEEDS_BINMODE = true if /WIN/i.match(RUBY_PLATFORM) 
+  NEEDS_BINMODE = true if /WIN/i.match(RUBY_PLATFORM)
 
   # Path separators in different environments.
   PATH_SEPARATOR = {'UNIX'=>'/', 'WINDOWS'=>'\\', 'MACINTOSH'=>':'}
@@ -48,7 +48,7 @@ class CGI
 
   # :startdoc:
 
-  def env_table 
+  def env_table
     ENV
   end
 
@@ -79,7 +79,7 @@ class CGI
   # status:: the HTTP status code, returned as the Status header.  See the
   #          list of available status codes below.
   # server:: the server software, returned as the Server header.
-  # connection:: the connection type, returned as the Connection header (for 
+  # connection:: the connection type, returned as the Connection header (for
   #              instance, "close".
   # length:: the length of the content that will be sent, returned as the
   #          Content-Length header.
@@ -89,19 +89,19 @@ class CGI
   #           object, returned as the Expires header.
   # cookie:: a cookie or cookies, returned as one or more Set-Cookie headers.
   #          The value can be the literal string of the cookie; a CGI::Cookie
-  #          object; an Array of literal cookie strings or Cookie objects; or a 
+  #          object; an Array of literal cookie strings or Cookie objects; or a
   #          hash all of whose values are literal cookie strings or Cookie objects.
   #          These cookies are in addition to the cookies held in the
   #          @output_cookies field.
   #
   # Other header lines can also be set; they are appended as key: value.
-  # 
+  #
   #   header
   #     # Content-Type: text/html
-  # 
+  #
   #   header("text/plain")
   #     # Content-Type: text/plain
-  # 
+  #
   #   header("nph"        => true,
   #          "status"     => "OK",  # == "200 OK"
   #            # "status"     => "200 GOOD",
@@ -116,9 +116,9 @@ class CGI
   #          "cookie"     => [cookie1, cookie2],
   #          "my_header1" => "my_value"
   #          "my_header2" => "my_value")
-  # 
+  #
   # The status codes are:
-  # 
+  #
   #   "OK"                  --> "200 OK"
   #   "PARTIAL_CONTENT"     --> "206 Partial Content"
   #   "MULTIPLE_CHOICES"    --> "300 Multiple Choices"
@@ -137,8 +137,8 @@ class CGI
   #   "NOT_IMPLEMENTED"     --> "501 Method Not Implemented"
   #   "BAD_GATEWAY"         --> "502 Bad Gateway"
   #   "VARIANT_ALSO_VARIES" --> "506 Variant Also Negotiates"
-  # 
-  # This method does not perform charset conversion. 
+  #
+  # This method does not perform charset conversion.
   def header(options='text/html')
     if options.is_a?(String)
       content_type = options
@@ -277,13 +277,13 @@ class CGI
   #     # Content-Length: 6
   #     #
   #     # string
-  # 
+  #
   #   cgi.out("text/plain") { "string" }
   #     # Content-Type: text/plain
   #     # Content-Length: 6
   #     #
   #     # string
-  # 
+  #
   #   cgi.out("nph"        => true,
   #           "status"     => "OK",  # == "200 OK"
   #           "server"     => ENV['SERVER_SOFTWARE'],
@@ -296,16 +296,16 @@ class CGI
   #           "cookie"     => [cookie1, cookie2],
   #           "my_header1" => "my_value",
   #           "my_header2" => "my_value") { "string" }
-  # 
+  #
   # Content-Length is automatically calculated from the size of
   # the String returned by the content block.
   #
   # If ENV['REQUEST_METHOD'] == "HEAD", then only the header
   # is outputted (the content block is still required, but it
   # is ignored).
-  # 
+  #
   # If the charset is "iso-2022-jp" or "euc-jp" or "shift_jis" then
-  # the content is converted to this charset, and the language is set 
+  # the content is converted to this charset, and the language is set
   # to "ja".
   def out(options = "text/html") # :yield:
 
@@ -358,7 +358,7 @@ class CGI
 
   # Mixin module. It provides the follow functionality groups:
   #
-  # 1. Access to CGI environment variables as methods.  See 
+  # 1. Access to CGI environment variables as methods.  See
   #    documentation to the CGI class for a list of these variables.
   #
   # 2. Access to cookies, including the cookies attribute.
@@ -617,7 +617,7 @@ class CGI
 
     # Get the value for the parameter with a given key.
     #
-    # If the parameter has multiple values, only the first will be 
+    # If the parameter has multiple values, only the first will be
     # retrieved; use #params() to get the array of values.
     def [](key)
       params = @params[key]
@@ -658,7 +658,7 @@ class CGI
   # This default value default is "UTF-8"
   # If you want to change the default accept character set
   # when create a new CGI instance, set this:
-  # 
+  #
   #   CGI.accept_charset = "EUC-JP"
   #
 
@@ -700,11 +700,11 @@ class CGI
   #
   # == block
   #
-  # When you use a block, you can write a process 
+  # When you use a block, you can write a process
   # that query encoding is invalid. Example:
   #
   #   encoding_error={}
-  #   cgi=CGI.new(:accept_charset=>"EUC-JP") do |name,value| 
+  #   cgi=CGI.new(:accept_charset=>"EUC-JP") do |name,value|
   #     encoding_error[key] = value
   #   end
   #
diff --git a/lib/cgi/html.rb b/lib/cgi/html.rb
index 62f1fc1898..8ee38000c5 100644
--- a/lib/cgi/html.rb
+++ b/lib/cgi/html.rb
@@ -66,7 +66,7 @@ class CGI
   # Modules Http3, Http4, etc., contain more basic HTML-generation methods
   # (:title, :center, etc.).
   #
-  # See class CGI for a detailed example. 
+  # See class CGI for a detailed example.
   #
   module HtmlExtension
 
@@ -99,7 +99,7 @@ class CGI
       end
     end
 
-    # Generate a Document Base URI element as a String. 
+    # Generate a Document Base URI element as a String.
     #
     # +href+ can either by a string, giving the base URL for the HREF
     # attribute, or it can be a has of the element's attributes.
@@ -179,10 +179,10 @@ class CGI
     #
     #   checkbox("name")
     #     # = checkbox("NAME" => "name")
-    # 
+    #
     #   checkbox("name", "value")
     #     # = checkbox("NAME" => "name", "VALUE" => "value")
-    # 
+    #
     #   checkbox("name", "value", true)
     #     # = checkbox("NAME" => "name", "VALUE" => "value", "CHECKED" => true)
     def checkbox(name = "", value = nil, checked = nil)
@@ -220,23 +220,23 @@ class CGI
     #     # <INPUT TYPE="checkbox" NAME="name" VALUE="foo">foo
     #     # <INPUT TYPE="checkbox" NAME="name" VALUE="bar">bar
     #     # <INPUT TYPE="checkbox" NAME="name" VALUE="baz">baz
-    # 
+    #
     #   checkbox_group("name", ["foo"], ["bar", true], "baz")
     #     # <INPUT TYPE="checkbox" NAME="name" VALUE="foo">foo
     #     # <INPUT TYPE="checkbox" CHECKED NAME="name" VALUE="bar">bar
     #     # <INPUT TYPE="checkbox" NAME="name" VALUE="baz">baz
-    # 
+    #
     #   checkbox_group("name", ["1", "Foo"], ["2", "Bar", true], "Baz")
     #     # <INPUT TYPE="checkbox" NAME="name" VALUE="1">Foo
     #     # <INPUT TYPE="checkbox" CHECKED NAME="name" VALUE="2">Bar
     #     # <INPUT TYPE="checkbox" NAME="name" VALUE="Baz">Baz
-    # 
+    #
     #   checkbox_group("NAME" => "name",
     #                    "VALUES" => ["foo", "bar", "baz"])
-    # 
+    #
     #   checkbox_group("NAME" => "name",
     #                    "VALUES" => [["foo"], ["bar", true], "baz"])
-    # 
+    #
     #   checkbox_group("NAME" => "name",
     #                    "VALUES" => [["1", "Foo"], ["2", "Bar", true], "Baz"])
     def checkbox_group(name = "", *values)
@@ -272,13 +272,13 @@ class CGI
     #
     #   file_field("name")
     #     # <INPUT TYPE="file" NAME="name" SIZE="20">
-    # 
+    #
     #   file_field("name", 40)
     #     # <INPUT TYPE="file" NAME="name" SIZE="40">
-    # 
+    #
     #   file_field("name", 40, 100)
     #     # <INPUT TYPE="file" NAME="name" SIZE="40" MAXLENGTH="100">
-    # 
+    #
     #   file_field("NAME" => "name", "SIZE" => 40)
     #     # <INPUT TYPE="file" NAME="name" SIZE="40">
     def file_field(name = "", size = 20, maxlength = nil)
@@ -298,7 +298,7 @@ class CGI
     #
     # +method+ should be either "get" or "post", and defaults to the latter.
     # +action+ defaults to the current CGI script name.  +enctype+
-    # defaults to "application/x-www-form-urlencoded".  
+    # defaults to "application/x-www-form-urlencoded".
     #
     # Alternatively, the attributes can be specified as a hash.
     #
@@ -306,19 +306,19 @@ class CGI
     #
     #   form{ "string" }
     #     # <FORM METHOD="post" ENCTYPE="application/x-www-form-urlencoded">string</FORM>
-    # 
+    #
     #   form("get") { "string" }
     #     # <FORM METHOD="get" ENCTYPE="application/x-www-form-urlencoded">string</FORM>
-    # 
+    #
     #   form("get", "url") { "string" }
     #     # <FORM METHOD="get" ACTION="url" ENCTYPE="application/x-www-form-urlencoded">string</FORM>
-    # 
+    #
     #   form("METHOD" => "post", "ENCTYPE" => "enctype") { "string" }
     #     # <FORM METHOD="post" ENCTYPE="enctype">string</FORM>
     def form(method = "post", action = script_name, enctype = "application/x-www-form-urlencoded")
       attributes = if method.kind_of?(String)
                      { "METHOD" => method, "ACTION" => action,
-                       "ENCTYPE" => enctype } 
+                       "ENCTYPE" => enctype }
                    else
                      unless method.has_key?("METHOD")
                        method["METHOD"] = "post"
@@ -350,10 +350,10 @@ class CGI
     #
     #   hidden("name")
     #     # <INPUT TYPE="hidden" NAME="name">
-    # 
+    #
     #   hidden("name", "value")
     #     # <INPUT TYPE="hidden" NAME="name" VALUE="value">
-    # 
+    #
     #   hidden("NAME" => "name", "VALUE" => "reset", "ID" => "foo")
     #     # <INPUT TYPE="hidden" NAME="name" VALUE="value" ID="foo">
     def hidden(name = "", value = nil)
@@ -376,36 +376,36 @@ class CGI
     # should include the entire text of this tag, including angle brackets.
     #
     # The body of the html element is supplied as a block.
-    # 
+    #
     #   html{ "string" }
     #     # <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><HTML>string</HTML>
-    # 
+    #
     #   html("LANG" => "ja") { "string" }
     #     # <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><HTML LANG="ja">string</HTML>
-    # 
+    #
     #   html("DOCTYPE" => false) { "string" }
     #     # <HTML>string</HTML>
-    # 
+    #
     #   html("DOCTYPE" => '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">') { "string" }
     #     # <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"><HTML>string</HTML>
-    # 
+    #
     #   html("PRETTY" => "  ") { "<BODY></BODY>" }
     #     # <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
     #     # <HTML>
     #     #   <BODY>
     #     #   </BODY>
     #     # </HTML>
-    # 
+    #
     #   html("PRETTY" => "\t") { "<BODY></BODY>" }
     #     # <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
     #     # <HTML>
     #     #         <BODY>
     #     #         </BODY>
     #     # </HTML>
-    # 
+    #
     #   html("PRETTY") { "<BODY></BODY>" }
     #     # = html("PRETTY" => "  ") { "<BODY></BODY>" }
-    # 
+    #
     #   html(if $VERBOSE then "PRETTY" end) { "HTML string" }
     #
     def html(attributes = {}) # :yield:
@@ -444,17 +444,17 @@ class CGI
 
     # Generate an Image Button Input element as a string.
     #
-    # +src+ is the URL of the image to use for the button.  +name+ 
+    # +src+ is the URL of the image to use for the button.  +name+
     # is the input name.  +alt+ is the alternative text for the image.
     #
     # Alternatively, the attributes can be specified as a hash.
-    # 
+    #
     #   image_button("url")
     #     # <INPUT TYPE="image" SRC="url">
-    # 
+    #
     #   image_button("url", "name", "string")
     #     # <INPUT TYPE="image" SRC="url" NAME="name" ALT="string">
-    # 
+    #
     #   image_button("SRC" => "url", "ATL" => "strng")
     #     # <INPUT TYPE="image" SRC="url" ALT="string">
     def image_button(src = "", name = nil, alt = nil)
@@ -480,7 +480,7 @@ class CGI
     #
     #   img("src", "alt", 100, 50)
     #     # <IMG SRC="src" ALT="alt" WIDTH="100" HEIGHT="50">
-    # 
+    #
     #   img("SRC" => "src", "ALT" => "alt", "WIDTH" => 100, "HEIGHT" => 50)
     #     # <IMG SRC="src" ALT="alt" WIDTH="100" HEIGHT="50">
     def img(src = "", alt = "", width = nil, height = nil)
@@ -506,15 +506,15 @@ class CGI
     #
     #   multipart_form{ "string" }
     #     # <FORM METHOD="post" ENCTYPE="multipart/form-data">string</FORM>
-    # 
+    #
     #   multipart_form("url") { "string" }
     #     # <FORM METHOD="post" ACTION="url" ENCTYPE="multipart/form-data">string</FORM>
     def multipart_form(action = nil, enctype = "multipart/form-data")
       attributes = if action == nil
-                     { "METHOD" => "post", "ENCTYPE" => enctype } 
+                     { "METHOD" => "post", "ENCTYPE" => enctype }
                    elsif action.kind_of?(String)
                      { "METHOD" => "post", "ACTION" => action,
-                       "ENCTYPE" => enctype } 
+                       "ENCTYPE" => enctype }
                    else
                      unless action.has_key?("METHOD")
                        action["METHOD"] = "post"
@@ -542,13 +542,13 @@ class CGI
     #
     #   password_field("name")
     #     # <INPUT TYPE="password" NAME="name" SIZE="40">
-    # 
+    #
     #   password_field("name", "value")
     #     # <INPUT TYPE="password" NAME="name" VALUE="value" SIZE="40">
-    # 
+    #
     #   password_field("password", "value", 80, 200)
     #     # <INPUT TYPE="password" NAME="name" VALUE="value" SIZE="80" MAXLENGTH="200">
-    # 
+    #
     #   password_field("NAME" => "name", "VALUE" => "value")
     #     # <INPUT TYPE="password" NAME="name" VALUE="value">
     def password_field(name = "", value = nil, size = 40, maxlength = nil)
@@ -584,21 +584,21 @@ class CGI
     #     #   <OPTION VALUE="bar">bar</OPTION>
     #     #   <OPTION VALUE="baz">baz</OPTION>
     #     # </SELECT>
-    # 
+    #
     #   popup_menu("name", ["foo"], ["bar", true], "baz")
     #     # <SELECT NAME="name">
     #     #   <OPTION VALUE="foo">foo</OPTION>
     #     #   <OPTION VALUE="bar" SELECTED>bar</OPTION>
     #     #   <OPTION VALUE="baz">baz</OPTION>
     #     # </SELECT>
-    # 
+    #
     #   popup_menu("name", ["1", "Foo"], ["2", "Bar", true], "Baz")
     #     # <SELECT NAME="name">
     #     #   <OPTION VALUE="1">Foo</OPTION>
     #     #   <OPTION SELECTED VALUE="2">Bar</OPTION>
     #     #   <OPTION VALUE="Baz">Baz</OPTION>
     #     # </SELECT>
-    # 
+    #
     #   popup_menu("NAME" => "name", "SIZE" => 2, "MULTIPLE" => true,
     #               "VALUES" => [["1", "Foo"], ["2", "Bar", true], "Baz"])
     #     # <SELECT NAME="name" MULTIPLE SIZE="2">
@@ -649,10 +649,10 @@ class CGI
     #
     #   radio_button("name", "value")
     #     # <INPUT TYPE="radio" NAME="name" VALUE="value">
-    # 
+    #
     #   radio_button("name", "value", true)
     #     # <INPUT TYPE="radio" NAME="name" VALUE="value" CHECKED>
-    # 
+    #
     #   radio_button("NAME" => "name", "VALUE" => "value", "ID" => "foo")
     #     # <INPUT TYPE="radio" NAME="name" VALUE="value" ID="foo">
     def radio_button(name = "", value = nil, checked = nil)
@@ -670,28 +670,28 @@ class CGI
     #
     # This works the same as #checkbox_group().  However, it is not valid
     # to have more than one radiobutton in a group checked.
-    # 
+    #
     #   radio_group("name", "foo", "bar", "baz")
     #     # <INPUT TYPE="radio" NAME="name" VALUE="foo">foo
     #     # <INPUT TYPE="radio" NAME="name" VALUE="bar">bar
     #     # <INPUT TYPE="radio" NAME="name" VALUE="baz">baz
-    # 
+    #
     #   radio_group("name", ["foo"], ["bar", true], "baz")
     #     # <INPUT TYPE="radio" NAME="name" VALUE="foo">foo
     #     # <INPUT TYPE="radio" CHECKED NAME="name" VALUE="bar">bar
     #     # <INPUT TYPE="radio" NAME="name" VALUE="baz">baz
-    # 
+    #
     #   radio_group("name", ["1", "Foo"], ["2", "Bar", true], "Baz")
     #     # <INPUT TYPE="radio" NAME="name" VALUE="1">Foo
     #     # <INPUT TYPE="radio" CHECKED NAME="name" VALUE="2">Bar
     #     # <INPUT TYPE="radio" NAME="name" VALUE="Baz">Baz
-    # 
+    #
     #   radio_group("NAME" => "name",
     #                 "VALUES" => ["foo", "bar", "baz"])
-    # 
+    #
     #   radio_group("NAME" => "name",
     #                 "VALUES" => [["foo"], ["bar", true], "baz"])
-    # 
+    #
     #   radio_group("NAME" => "name",
     #                 "VALUES" => [["1", "Foo"], ["2", "Bar", true], "Baz"])
     def radio_group(name = "", *values)
@@ -723,10 +723,10 @@ class CGI
     #
     #   reset
     #     # <INPUT TYPE="reset">
-    # 
+    #
     #   reset("reset")
     #     # <INPUT TYPE="reset" VALUE="reset">
-    # 
+    #
     #   reset("VALUE" => "reset", "ID" => "foo")
     #     # <INPUT TYPE="reset" VALUE="reset" ID="foo">
     def reset(value = nil, name = nil)
@@ -750,13 +750,13 @@ class CGI
     #
     #   submit
     #     # <INPUT TYPE="submit">
-    # 
+    #
     #   submit("ok")
     #     # <INPUT TYPE="submit" VALUE="ok">
-    # 
+    #
     #   submit("ok", "button1")
     #     # <INPUT TYPE="submit" VALUE="ok" NAME="button1">
-    # 
+    #
     #   submit("VALUE" => "ok", "NAME" => "button1", "ID" => "foo")
     #     # <INPUT TYPE="submit" VALUE="ok" NAME="button1" ID="foo">
     def submit(value = nil, name = nil)
@@ -779,16 +779,16 @@ class CGI
     #
     #   text_field("name")
     #     # <INPUT TYPE="text" NAME="name" SIZE="40">
-    # 
+    #
     #   text_field("name", "value")
     #     # <INPUT TYPE="text" NAME="name" VALUE="value" SIZE="40">
-    # 
+    #
     #   text_field("name", "value", 80)
     #     # <INPUT TYPE="text" NAME="name" VALUE="value" SIZE="80">
-    # 
+    #
     #   text_field("name", "value", 80, 200)
     #     # <INPUT TYPE="text" NAME="name" VALUE="value" SIZE="80" MAXLENGTH="200">
-    # 
+    #
     #   text_field("NAME" => "name", "VALUE" => "value")
     #     # <INPUT TYPE="text" NAME="name" VALUE="value">
     def text_field(name = "", value = nil, size = 40, maxlength = nil)
diff --git a/lib/cgi/session.rb b/lib/cgi/session.rb
index 2b5aa846d9..65d6442b37 100644
--- a/lib/cgi/session.rb
+++ b/lib/cgi/session.rb
@@ -13,7 +13,7 @@
 #
 # This file provides the +CGI::Session+ class, which provides session
 # support for CGI scripts.  A session is a sequence of HTTP requests
-# and responses linked together and associated with a single client.  
+# and responses linked together and associated with a single client.
 # Information associated with the session is stored
 # on the server between requests.  A session id is passed between client
 # and server with every request and response, transparently
@@ -28,7 +28,7 @@ require 'tmpdir'
 
 class CGI
 
-  # Class representing an HTTP session.  See documentation for the file 
+  # Class representing an HTTP session.  See documentation for the file
   # cgi/session.rb for an introduction to HTTP sessions.
   #
   # == Lifecycle
@@ -47,7 +47,7 @@ class CGI
   # == Setting and retrieving session data.
   #
   # The Session class associates data with a session as key-value pairs.
-  # This data can be set and retrieved by indexing the Session instance 
+  # This data can be set and retrieved by indexing the Session instance
   # using '[]', much the same as hashes (although other hash methods
   # are not supported).
   #
@@ -60,21 +60,21 @@ class CGI
   #
   # == Storing session state
   #
-  # The caller can specify what form of storage to use for the session's 
+  # The caller can specify what form of storage to use for the session's
   # data with the +database_manager+ option to CGI::Session::new.  The
   # following storage classes are provided as part of the standard library:
   #
-  # CGI::Session::FileStore:: stores data as plain text in a flat file.  Only 
-  #                           works with String data.  This is the default 
+  # CGI::Session::FileStore:: stores data as plain text in a flat file.  Only
+  #                           works with String data.  This is the default
   #                           storage type.
-  # CGI::Session::MemoryStore:: stores data in an in-memory hash.  The data 
-  #                             only persists for as long as the current ruby 
+  # CGI::Session::MemoryStore:: stores data in an in-memory hash.  The data
+  #                             only persists for as long as the current ruby
   #                             interpreter instance does.
   # CGI::Session::PStore:: stores data in Marshalled format.  Provided by
-  #                        cgi/session/pstore.rb.  Supports data of any type, 
+  #                        cgi/session/pstore.rb.  Supports data of any type,
   #                        and provides file-locking and transaction support.
   #
-  # Custom storage types can also be created by defining a class with 
+  # Custom storage types can also be created by defining a class with
   # the following methods:
   #
   #    new(session, options)
@@ -99,14 +99,14 @@ class CGI
   # The simplest way to do this is via cookies.  The CGI::Session class
   # provides transparent support for session id communication via cookies
   # if the client has cookies enabled.
-  # 
+  #
   # If the client has cookies disabled, the session id must be included
   # as a parameter of all requests sent by the client to the server.  The
   # CGI::Session class in conjunction with the CGI class will transparently
   # add the session id as a hidden input field to all forms generated
   # using the CGI#form() HTML generation method.  No built-in support is
   # provided for other mechanisms, such as URL re-writing.  The caller is
-  # responsible for extracting the session id from the session_id 
+  # responsible for extracting the session id from the session_id
   # attribute and manually encoding it in URLs and adding it as a hidden
   # input to HTML forms created by other mechanisms.  Also, session expiry
   # is not automatically handled.
@@ -124,10 +124,10 @@ class CGI
   #   session = CGI::Session.new(cgi,
   #       'database_manager' => CGI::Session::PStore,  # use PStore
   #       'session_key' => '_rb_sess_id',              # custom session key
-  #       'session_expires' => Time.now + 30 * 60,     # 30 minute timeout 
+  #       'session_expires' => Time.now + 30 * 60,     # 30 minute timeout
   #       'prefix' => 'pstore_sid_')                   # PStore option
   #   if cgi.has_key?('user_name') and cgi['user_name'] != ''
-  #       # coerce to String: cgi[] returns the 
+  #       # coerce to String: cgi[] returns the
   #       # string-like CGI::QueryExtension::Value
   #       session['user_name'] = cgi['user_name'].to_s
   #   elsif !session['user_name']
@@ -143,11 +143,11 @@ class CGI
   #   cgi = CGI.new("html4")
   #
   #   # We make sure to delete an old session if one exists,
-  #   # not just to free resources, but to prevent the session 
+  #   # not just to free resources, but to prevent the session
   #   # from being maliciously hijacked later on.
   #   begin
-  #       session = CGI::Session.new(cgi, 'new_session' => false)      
-  #       session.delete                 
+  #       session = CGI::Session.new(cgi, 'new_session' => false)
+  #       session.delete
   #   rescue ArgumentError  # if no old session
   #   end
   #   session = CGI::Session.new(cgi, 'new_session' => true)
@@ -172,7 +172,7 @@ class CGI
     # The session id is an MD5 hash based upon the time,
     # a random number, and a constant string.  This routine
     # is used internally for automatically generated
-    # session ids. 
+    # session ids.
     def create_new_id
       require 'securerandom'
       begin
@@ -205,7 +205,7 @@ class CGI
     #              it is retrieved from the +session_key+ parameter
     #              of the request, or automatically generated for
     #              a new session.
-    # new_session:: if true, force creation of a new session.  If not set, 
+    # new_session:: if true, force creation of a new session.  If not set,
     #               a new session is only created if none currently
     #               exists.  If false, a new session is never created,
     #               and if none currently exists and the +session_id+
@@ -220,7 +220,7 @@ class CGI
     # The following options are also recognised, but only apply if the
     # session id is stored in a cookie.
     #
-    # session_expires:: the time the current session expires, as a 
+    # session_expires:: the time the current session expires, as a
     #                   +Time+ object.  If not set, the session will terminate
     #                   when the user's browser is closed.
     # session_domain:: the hostname domain for which this session is valid.
@@ -232,10 +232,10 @@ class CGI
     # +option+ is also passed on to the session storage class initializer; see
     # the documentation for each session storage class for the options
     # they support.
-    #                  
+    #
     # The retrieved or created session is automatically added to +request+
     # as a cookie, and also to its +output_hidden+ table, which is used
-    # to add hidden input elements to forms.  
+    # to add hidden input elements to forms.
     #
     # *WARNING* the +output_hidden+
     # fields are surrounded by a <fieldset> tag in HTML 4 generation, which
@@ -294,7 +294,7 @@ class CGI
           "expires" => option['session_expires'],
           "domain" => option['session_domain'],
           "secure" => option['session_secure'],
-          "path" => 
+          "path" =>
           if option['session_path']
             option['session_path']
           elsif ENV["SCRIPT_NAME"]
@@ -323,11 +323,11 @@ class CGI
 
     # Store session data on the server.  For some session storage types,
     # this is a no-op.
-    def update  
+    def update
       @dbman.update
     end
 
-    # Store session data on the server and close the session storage.  
+    # Store session data on the server and close the session storage.
     # For some session storage types, this is a no-op.
     def close
       @dbman.close
@@ -359,7 +359,7 @@ class CGI
       # created.  The session id must only contain alphanumeric
       # characters; automatically generated session ids observe
       # this requirement.
-      # 
+      #
       # +option+ is a hash of options for the initializer.  The
       # following options are recognised:
       #
@@ -450,7 +450,7 @@ class CGI
     # In-memory session storage class.
     #
     # Implements session storage as a global in-memory hash.  Session
-    # data will only persist for as long as the ruby interpreter 
+    # data will only persist for as long as the ruby interpreter
     # instance does.
     class MemoryStore
       GLOBAL_HASH_TABLE = {} #:nodoc:
diff --git a/lib/cgi/session/pstore.rb b/lib/cgi/session/pstore.rb
index 3cd3e46000..a63d7d3984 100644
--- a/lib/cgi/session/pstore.rb
+++ b/lib/cgi/session/pstore.rb
@@ -2,7 +2,7 @@
 # cgi/session/pstore.rb - persistent storage of marshalled session data
 #
 # Documentation: William Webber (william@williamwebber.com)
-# 
+#
 # == Overview
 #
 # This file provides the CGI::Session::PStore class, which builds
@@ -29,7 +29,7 @@ class CGI
       # created.  The session id must only contain alphanumeric
       # characters; automatically generated session ids observe
       # this requirement.
-      # 
+      #
       # +option+ is a hash of options for the initializer.  The
       # following options are recognised:
       #
@@ -77,7 +77,7 @@ class CGI
       end
 
       # Save session state to the session's PStore file.
-      def update 
+      def update
         @p.transaction do
           @p['hash'] = @hash
         end
diff --git a/lib/cgi/util.rb b/lib/cgi/util.rb
index 991b68ce73..b7b0233b4d 100644
--- a/lib/cgi/util.rb
+++ b/lib/cgi/util.rb
@@ -119,7 +119,7 @@ class CGI
   #   print CGI::unescapeElement(
   #           CGI::escapeHTML('<BR><A HREF="url"></A>'), "A", "IMG")
   #     # "&lt;BR&gt;<A HREF="url"></A>"
-  # 
+  #
   #   print CGI::unescapeElement(
   #           CGI::escapeHTML('<BR><A HREF="url"></A>'), ["A", "IMG"])
   #     # "&lt;BR&gt;<A HREF="url"></A>"
@@ -161,7 +161,7 @@ class CGI
   #     #   <BODY>
   #     #   </BODY>
   #     # </HTML>
-  # 
+  #
   #   print CGI::pretty("<HTML><BODY></BODY></HTML>", "\t")
   #     # <HTML>
   #     #         <BODY>