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

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

lib/rdoc/markup/fragments.rb

@@ -203,7 +203,7 @@ class RDoc::Markup
     #    normal paragraph text.
     #
     #       this is code
-    #   
+    #
     #       and more code
     #
     # You'll end up with the fragments Paragraph, BlankLine, Verbatim,

lib/rdoc/markup/to_html.rb

@@ -309,7 +309,7 @@ class RDoc::Markup::ToHtml < RDoc::Markup::Formatter
 
     # convert -- to em-dash, (-- to en-dash)
       gsub(/---?/, '&#8212;'). #gsub(/--/, '&#8211;').
-      
+
     # convert ... to elipsis (and make sure .... becomes .<elipsis>)
       gsub(/\.\.\.\./, '.&#8230;').gsub(/\.\.\./, '&#8230;').
 

lib/rdoc/markup/to_html_crossref.rb

@@ -10,7 +10,7 @@ class RDoc::Markup::ToHtmlCrossref < RDoc::Markup::ToHtml
   attr_accessor :context
 
   # Regular expressions to match class and method references.
-  # 
+  #
   # 1.) There can be a '\' in front of text to suppress
   #     any cross-references (note, however, that the single '\'
   #     is written as '\\\\' in order to escape it twice, once