Kill trailing whitespace in ruby files

app/logical/d_text.rb

@@ -5,11 +5,11 @@ class DText
   def self.u(string)
     CGI.escape(string)
   end
-  
+
   def self.h(string)
     CGI.escapeHTML(string)
   end
-  
+
   def self.parse_inline(str, options = {})
     str.gsub!(/&/, "&")
     str.gsub!(/</, "&lt;")
@@ -25,7 +25,7 @@ class DText
     str = parse_id_links(str)
     str
   end
-  
+
   def self.parse_links(str)
     str.gsub(/("[^"]+":(https?:\/\/|\/)[^\s\r\n<>]+|https?:\/\/[^\s\r\n<>]+)+/) do |url|
       if url =~ /^"([^"]+)":(.+)$/
@@ -34,7 +34,7 @@ class DText
       else
         text = url
       end
-      
+
       if url =~ /([;,.!?\)\]<>])$/
         url.chop!
         ch = $1
@@ -45,7 +45,7 @@ class DText
       '<a href="' + url + '">' + text + '</a>' + ch
     end
   end
-  
+
   def self.parse_aliased_wiki_links(str)
     str.gsub(/\[\[([^\|\]]+)\|([^\]]+)\]\]/m) do
       text = CGI.unescapeHTML($2)
@@ -53,7 +53,7 @@ class DText
       %{<a href="/wiki_pages/show_or_new?title=#{u(title)}">#{h(text)}</a>}
     end
   end
-  
+
   def self.parse_wiki_links(str)
     str.gsub(/\[\[([^\]]+)\]\]/) do
       text = CGI.unescapeHTML($1)
@@ -61,14 +61,14 @@ class DText
       %{<a href="/wiki_pages/show_or_new?title=#{u(title)}">#{h(text)}</a>}
     end
   end
-  
+
   def self.parse_post_links(str)
     str.gsub(/\{\{([^\}]+)\}\}/) do
       tags = CGI.unescapeHTML($1)
       %{<a href="/posts?tags=#{u(tags)}">#{h(tags)}</a>}
     end
   end
-  
+
   def self.parse_id_links(str)
     str = str.gsub(/\bpost #(\d+)/i, %{<a href="/posts/\\1">post #\\1</a>})
     str = str.gsub(/\bforum #(\d+)/i, %{<a href="/forum_posts/\\1">forum #\\1</a>})
@@ -76,7 +76,7 @@ class DText
     str = str.gsub(/\bpool #(\d+)/i, %{<a href="/pools/\\1">pool #\\1</a>})
     str = str.gsub(/\buser #(\d+)/i, %{<a href="/users/\\1">user #\\1</a>})
   end
-  
+
   def self.parse_list(str, options = {})
     html = ""
     layout = []
@@ -115,27 +115,27 @@ class DText
 
   def self.parse(str, options = {})
     return "" if str.blank?
-    
+
     # Make sure quote tags are surrounded by newlines
-    
+
     unless options[:inline]
       str.gsub!(/\s*\[quote\]\s*/m, "\n\n[quote]\n\n")
       str.gsub!(/\s*\[\/quote\]\s*/m, "\n\n[/quote]\n\n")
       str.gsub!(/\s*\[spoilers?\](?!\])\s*/m, "\n\n[spoiler]\n\n")
       str.gsub!(/\s*\[\/spoilers?\]\s*/m, "\n\n[/spoiler]\n\n")
     end
-    
+
     str.gsub!(/(?:\r?\n){3,}/, "\n\n")
     str.strip!
     blocks = str.split(/(?:\r?\n){2}/)
     stack = []
-    
+
     html = blocks.map do |block|
       case block
       when /^(h[1-6])\.\s*(.+)$/
         tag = $1
-        content = $2      
-          
+        content = $2
+
         if options[:inline]
           "<h6>" + parse_inline(content, options) + "</h6>"
         else
@@ -144,7 +144,7 @@ class DText
 
       when /^\s*\*+ /
         parse_list(block, options)
-        
+
       when "[quote]"
         if options[:inline]
           ""
@@ -152,7 +152,7 @@ class DText
           stack << "blockquote"
           "<blockquote>"
         end
-        
+
       when "[/quote]"
         if options[:inline]
           ""
@@ -166,7 +166,7 @@ class DText
       when /\[spoilers?\](?!\])/
         stack << "div"
         '<div class="spoiler">'
-        
+
       when /\[\/spoilers?\]/
         if stack.last == "div"
           stack.pop
@@ -177,7 +177,7 @@ class DText
         '<p>' + parse_inline(block) + "</p>"
       end
     end
-    
+
     stack.reverse.each do |tag|
       if tag == "blockquote"
         html << "</blockquote>"
@@ -188,10 +188,10 @@ class DText
 
     sanitize(html.join("")).html_safe
   end
-  
+
   def self.sanitize(text)
     text.gsub!(/<( |-|\Z)/, "&lt;\\1")
-    
+
     Sanitize.clean(
       text,
       :elements => %w(code center tn h1 h2 h3 h4 h5 h6 a span div blockquote br p ul li ol em strong small big b i font u s),