Remove trailing whitespaces from lib (#31506).

Patch by Marius BALTEANU.


git-svn-id: http://svn.redmine.org/redmine/trunk@18231 e93f8b46-1217-0410-a6f0-8f06a7374b81

10 files changed, 109 insertions, 109 deletions

diff --git a/lib/redmine/helpers/time_report.rb b/lib/redmine/helpers/time_report.rb
index 33a32f887..eb6abed04 100644
--- a/lib/redmine/helpers/time_report.rb
+++ b/lib/redmine/helpers/time_report.rb
@@ -58,7 +58,7 @@ module Redmine
             end
             @hours << h
           end
-          
+
           @hours.each do |row|
             case @columns
             when 'year'
@@ -71,13 +71,13 @@ module Redmine
               row['day'] = "#{row['spent_on']}"
             end
           end
-          
+
           min = @hours.collect {|row| row['spent_on']}.min
           @from = min ? min.to_date : User.current.today
 
           max = @hours.collect {|row| row['spent_on']}.max
           @to = max ? max.to_date : User.current.today
-          
+
           @total_hours = @hours.inject(0) {|s,k| s = s + k['hours'].to_f}
 
           @periods = []
diff --git a/lib/redmine/helpers/url.rb b/lib/redmine/helpers/url.rb
index 6e6246d93..f5b44555f 100644
--- a/lib/redmine/helpers/url.rb
+++ b/lib/redmine/helpers/url.rb
@@ -26,7 +26,7 @@ module Redmine
         # URLs relative to the current document or document root (without a protocol
         # separator, should be harmless
         return true unless uri.to_s.include? ":"
-    
+
         # Other URLs need to be parsed
         schemes.include? URI.parse(uri).scheme
       rescue URI::Error
diff --git a/lib/redmine/hook/view_listener.rb b/lib/redmine/hook/view_listener.rb
index 1e69d0755..411658dd7 100644
--- a/lib/redmine/hook/view_listener.rb
+++ b/lib/redmine/hook/view_listener.rb
@@ -67,11 +67,11 @@ module Redmine
           end
         end
       end
-      
+
       def controller
         nil
       end
-      
+
       def config
         ActionController::Base.config
       end
diff --git a/lib/redmine/nested_set/issue_nested_set.rb b/lib/redmine/nested_set/issue_nested_set.rb
index 2c34cac96..1f62bc072 100644
--- a/lib/redmine/nested_set/issue_nested_set.rb
+++ b/lib/redmine/nested_set/issue_nested_set.rb
@@ -86,19 +86,19 @@ module Redmine
         if parent
           previous_root_id = root_id
           self.root_id = parent.root_id
-          
+
           lft_after_move = target_lft
           self.class.where(:root_id => parent.root_id).update_all([
             "lft = CASE WHEN lft >= :lft THEN lft + :shift ELSE lft END, " +
             "rgt = CASE WHEN rgt >= :lft THEN rgt + :shift ELSE rgt END",
             {:lft => lft_after_move, :shift => (rgt - lft + 1)}
           ])
-    
+
           self.class.where(:root_id => previous_root_id).update_all([
             "root_id = :root_id, lft = lft + :shift, rgt = rgt + :shift",
             {:root_id => parent.root_id, :shift => lft_after_move - lft}
           ])
-    
+
           self.lft, self.rgt = lft_after_move, (rgt - lft + lft_after_move)
           parent.send :reload_nested_set_values
         end
@@ -107,7 +107,7 @@ module Redmine
       def remove_from_nested_set
         self.class.where(:root_id => root_id).where("lft >= ? AND rgt <= ?", lft, rgt).
           update_all(["root_id = :id, lft = lft - :shift, rgt = rgt - :shift", {:id => id, :shift => lft - 1}])
-    
+
         self.class.where(:root_id => root_id).update_all([
           "lft = CASE WHEN lft >= :lft THEN lft - :shift ELSE lft END, " +
           "rgt = CASE WHEN rgt >= :lft THEN rgt - :shift ELSE rgt END",
diff --git a/lib/redmine/plugin.rb b/lib/redmine/plugin.rb
index 4780dece0..b3982fcfd 100644
--- a/lib/redmine/plugin.rb
+++ b/lib/redmine/plugin.rb
@@ -398,7 +398,7 @@ module Redmine
     #   * :label - label for the formatter displayed in application settings
     #
     # Examples:
-    #   wiki_format_provider(:custom_formatter, CustomFormatter, :label => "My custom formatter") 
+    #   wiki_format_provider(:custom_formatter, CustomFormatter, :label => "My custom formatter")
     #
     def wiki_format_provider(name, *args)
       Redmine::WikiFormatting.register(name, *args)
diff --git a/lib/redmine/safe_attributes.rb b/lib/redmine/safe_attributes.rb
index 52c2df096..a08e63f7e 100644
--- a/lib/redmine/safe_attributes.rb
+++ b/lib/redmine/safe_attributes.rb
@@ -34,7 +34,7 @@ module Redmine
         @safe_attributes ||= []
         if args.empty?
           if superclass.include?(Redmine::SafeAttributes)
-            @safe_attributes + superclass.safe_attributes 
+            @safe_attributes + superclass.safe_attributes
           else
             @safe_attributes
           end
diff --git a/lib/redmine/scm/adapters/bazaar_adapter.rb b/lib/redmine/scm/adapters/bazaar_adapter.rb
index a901bfb54..c342d13ff 100644
--- a/lib/redmine/scm/adapters/bazaar_adapter.rb
+++ b/lib/redmine/scm/adapters/bazaar_adapter.rb
@@ -294,7 +294,7 @@ module Redmine
             full_args_locale << scm_iconv(@path_encoding, 'UTF-8', e)
           end
           ret = shellout(
-                   self.class.sq_bin + ' ' + 
+                   self.class.sq_bin + ' ' +
                      full_args_locale.map { |e| shell_quote e.to_s }.join(' '),
                    &block
                    )
@@ -313,7 +313,7 @@ module Redmine
             full_args_locale << scm_iconv(@path_encoding, 'UTF-8', e)
           end
           ret = shellout(
-                   self.class.sq_bin + ' ' + 
+                   self.class.sq_bin + ' ' +
                      full_args_locale.map { |e| shell_quote e.to_s }.join(' '),
                    &block
                    )
diff --git a/lib/redmine/wiki_formatting/html_parser.rb b/lib/redmine/wiki_formatting/html_parser.rb
index be01ca339..aa4891ce0 100644
--- a/lib/redmine/wiki_formatting/html_parser.rb
+++ b/lib/redmine/wiki_formatting/html_parser.rb
@@ -31,11 +31,11 @@ module Redmine
 
       def self.to_text(html)
         html = html.gsub(/[\n\r]/, '').squeeze(' ')
-    
+
         doc = Loofah.document(html)
         doc.scrub!(WikiTags.new(tags))
         doc.scrub!(:newline_block_elements)
-    
+
         Loofah.remove_extraneous_whitespace(doc.text).strip
       end
 
@@ -44,7 +44,7 @@ module Redmine
           @direction = :bottom_up
           @tags_to_text = tags_to_text || {}
         end
-    
+
         def scrub(node)
           formatting = @tags_to_text[node.name]
           case formatting
diff --git a/lib/redmine/wiki_formatting/macros.rb b/lib/redmine/wiki_formatting/macros.rb
index 0cc55e281..8afa0f8e7 100644
--- a/lib/redmine/wiki_formatting/macros.rb
+++ b/lib/redmine/wiki_formatting/macros.rb
@@ -69,7 +69,7 @@ module Redmine
         #     macro :my_macro do |obj, args|
         #       "My macro output"
         #     end
-        #   
+        #
         #     desc "This is my macro that accepts a block of text"
         #     macro :my_macro do |obj, args, text|
         #       "My macro output"
@@ -83,7 +83,7 @@ module Redmine
         #
         # Options:
         # * :desc - A description of the macro
-        # * :parse_args => false - Disables arguments parsing (the whole arguments 
+        # * :parse_args => false - Disables arguments parsing (the whole arguments
         #   string is passed to the macro)
         #
         # Macro blocks accept 2 or 3 arguments:
@@ -91,7 +91,7 @@ module Redmine
         # * args: macro arguments
         # * text: the block of text given to the macro (should be present only if the
         #   macro accepts a block of text). text is a String or nil if the macro is
-        #   invoked without a block of text.  
+        #   invoked without a block of text.
         #
         # Examples:
         # By default, when the macro is invoked, the comma separated list of arguments
@@ -164,7 +164,7 @@ module Redmine
       # Builtin macros
       desc "Sample macro."
       macro :hello_world do |obj, args, text|
-        h("Hello world! Object: #{obj.class.name}, " + 
+        h("Hello world! Object: #{obj.class.name}, " +
           (args.empty? ? "Called with no argument" : "Arguments: #{args.join(', ')}") +
           " and " + (text.present? ? "a #{text.size} bytes long block of text." : "no block of text.")
         )
diff --git a/lib/redmine/wiki_formatting/textile/redcloth3.rb b/lib/redmine/wiki_formatting/textile/redcloth3.rb
index c4dc4c25e..5a8c15142 100644
--- a/lib/redmine/wiki_formatting/textile/redcloth3.rb
+++ b/lib/redmine/wiki_formatting/textile/redcloth3.rb
@@ -73,33 +73,33 @@
 #
 # == Links
 #
-# To make a hypertext link, put the link text in "quotation 
+# To make a hypertext link, put the link text in "quotation
 # marks" followed immediately by a colon and the URL of the link.
-# 
-# Optional: text in (parentheses) following the link text, 
-# but before the closing quotation mark, will become a Title 
+#
+# Optional: text in (parentheses) following the link text,
+# but before the closing quotation mark, will become a Title
 # attribute for the link, visible as a tool tip when a cursor is above it.
-# 
+#
 # Example:
 #
 #  "This is a link (This is a title) ":http://www.textism.com
-# 
+#
 # Will become:
-# 
+#
 #  <a href="http://www.textism.com" title="This is a title">This is a link</a>
 #
 # == Images
 #
 # To insert an image, put the URL for the image inside exclamation marks.
 #
-# Optional: text that immediately follows the URL in (parentheses) will 
-# be used as the Alt text for the image. Images on the web should always 
-# have descriptive Alt text for the benefit of readers using non-graphical 
+# Optional: text that immediately follows the URL in (parentheses) will
+# be used as the Alt text for the image. Images on the web should always
+# have descriptive Alt text for the benefit of readers using non-graphical
 # browsers.
 #
-# Optional: place a colon followed by a URL immediately after the 
+# Optional: place a colon followed by a URL immediately after the
 # closing ! to make the image into a link.
-# 
+#
 # Example:
 #
 #  !http://www.textism.com/common/textist.gif(Textist)!
@@ -118,13 +118,13 @@
 #
 # == Defining Acronyms
 #
-# HTML allows authors to define acronyms via the tag. The definition appears as a 
-# tool tip when a cursor hovers over the acronym. A crucial aid to clear writing, 
+# HTML allows authors to define acronyms via the tag. The definition appears as a
+# tool tip when a cursor hovers over the acronym. A crucial aid to clear writing,
 # this should be used at least once for each acronym in documents where they appear.
 #
-# To quickly define an acronym in Textile, place the full text in (parentheses) 
+# To quickly define an acronym in Textile, place the full text in (parentheses)
 # immediately following the acronym.
-# 
+#
 # Example:
 #
 #  ACLU(American Civil Liberties Union)
@@ -147,7 +147,7 @@
 #     (background:#ddd;color:red). |{}| | | |
 #
 # == Using RedCloth
-# 
+#
 # RedCloth is simply an extension of the String class, which can handle
 # Textile formatting.  Use it like a String and output HTML with its
 # RedCloth#to_html method.
@@ -270,14 +270,14 @@ class RedCloth3 < String
         rules = DEFAULT_RULES if rules.empty?
         # make our working copy
         text = self.dup
-        
+
         @urlrefs = {}
         @shelf = []
         textile_rules = [:block_textile_table, :block_textile_lists,
                          :block_textile_prefix, :inline_textile_image, :inline_textile_code,
                          :inline_textile_span, :inline_textile_link, :glyphs_textile]
         markdown_rules = [:refs_markdown, :block_markdown_setext, :block_markdown_atx, :block_markdown_rule,
-                          :block_markdown_bq, :block_markdown_lists, 
+                          :block_markdown_bq, :block_markdown_lists,
                           :inline_markdown_reflink, :inline_markdown_link]
         @rules = rules.collect do |rule|
             case rule
@@ -291,8 +291,8 @@ class RedCloth3 < String
         end.flatten
 
         # standard clean up
-        incoming_entities text 
-        clean_white_space text 
+        incoming_entities text
+        clean_white_space text
 
         # start processor
         @pre_list = []
@@ -301,7 +301,7 @@ class RedCloth3 < String
         escape_html_tags text
         # need to do this before #hard_break and #blocks
         block_textile_quotes text unless @lite_mode
-        hard_break text 
+        hard_break text
         unless @lite_mode
             refs text
             blocks text
@@ -328,10 +328,10 @@ class RedCloth3 < String
     #
     TEXTILE_TAGS =
 
-        [[128, 8364], [129, 0], [130, 8218], [131, 402], [132, 8222], [133, 8230], 
-         [134, 8224], [135, 8225], [136, 710], [137, 8240], [138, 352], [139, 8249], 
-         [140, 338], [141, 0], [142, 0], [143, 0], [144, 0], [145, 8216], [146, 8217], 
-         [147, 8220], [148, 8221], [149, 8226], [150, 8211], [151, 8212], [152, 732], 
+        [[128, 8364], [129, 0], [130, 8218], [131, 402], [132, 8222], [133, 8230],
+         [134, 8224], [135, 8225], [136, 710], [137, 8240], [138, 352], [139, 8249],
+         [140, 338], [141, 0], [142, 0], [143, 0], [144, 0], [145, 8216], [146, 8217],
+         [147, 8220], [148, 8221], [149, 8226], [150, 8211], [151, 8212], [152, 732],
          [153, 8482], [154, 353], [155, 8250], [156, 339], [157, 0], [158, 0], [159, 376]].
 
         collect! do |a, b|
@@ -359,7 +359,7 @@ class RedCloth3 < String
 
     # Text markup tags, don't conflict with block tags
     SIMPLE_HTML_TAGS = [
-        'tt', 'b', 'i', 'big', 'small', 'em', 'strong', 'dfn', 'code', 
+        'tt', 'b', 'i', 'big', 'small', 'em', 'strong', 'dfn', 'code',
         'samp', 'kbd', 'var', 'cite', 'abbr', 'acronym', 'a', 'img', 'br',
         'br', 'map', 'q', 'sub', 'sup', 'span', 'bdo'
     ]
@@ -375,9 +375,9 @@ class RedCloth3 < String
         ['+', 'ins', :limit],
         ['^', 'sup', :limit],
         ['~', 'sub', :limit]
-    ] 
+    ]
     QTAGS_JOIN = QTAGS.map {|rc, ht, rtype| Regexp::quote rc}.join('|')
-    
+
     QTAGS.collect! do |rc, ht, rtype|
         rcq = Regexp::quote rc
         re =
@@ -397,7 +397,7 @@ class RedCloth3 < String
                 (#{C})
                 (?::(\S+))?
                 ([[:word:]]|[^\s\-].*?[^\s\-])
-                #{rcq}/xm 
+                #{rcq}/xm
             end
         [rc, ht, re, rtype]
     end
@@ -466,7 +466,7 @@ class RedCloth3 < String
 
     # Parses Textile attribute lists and builds an HTML attribute string
     def pba( text_in, element = "" )
-        
+
         return +'' unless text_in
 
         style = []
@@ -487,7 +487,7 @@ class RedCloth3 < String
 
         cls = $1 if
             text.sub!( /\(([^()]+?)\)/, '' )
-                        
+
         style << "padding-left:#{ $1.length }em;" if
             text.sub!( /([(]+)/, '' )
 
@@ -512,7 +512,7 @@ class RedCloth3 < String
         atts << " id=\"#{ id }\"" if id
         atts << " colspan=\"#{ colspan }\"" if colspan
         atts << " rowspan=\"#{ rowspan }\"" if rowspan
-        
+
         atts
     end
 
@@ -527,9 +527,9 @@ class RedCloth3 < String
     end
 
     TABLE_RE = /^(?:table(_?#{S}#{A}#{C})\. ?\n)?^(#{A}#{C}\.? ?\|.*?\|)(\n\n|\Z)/m
-    
+
     # Parses a Textile table block, building HTML from the result.
-    def block_textile_table( text ) 
+    def block_textile_table( text )
         text.gsub!( TABLE_RE ) do |matches|
 
             tatts, fullrow = $~[1..2]
@@ -540,7 +540,7 @@ class RedCloth3 < String
             fullrow.each_line do |row|
                 ratts, row = pba( $1, 'tr' ), $2 if row =~ /^(#{A}#{C}\. )(.*)/m
                 cells = []
-                # the regexp prevents wiki links with a | from being cut as cells 
+                # the regexp prevents wiki links with a | from being cut as cells
                 row.scan(/\|(_?#{S}#{A}#{C}\. ?)?((\[\[[^|\]]*\|[^|\]]*\]\]|[^|])*?)(?=\|)/) do |modifiers, cell|
                     ctyp = 'd'
                     ctyp = 'h' if modifiers && modifiers =~ /^_/
@@ -549,7 +549,7 @@ class RedCloth3 < String
                     catts = pba( modifiers, 'td' ) if modifiers
 
                     catts = shelve( catts ) if catts
-                    cells << "\t\t\t<t#{ ctyp }#{ catts }>#{ cell }</t#{ ctyp }>" 
+                    cells << "\t\t\t<t#{ ctyp }#{ catts }>#{ cell }</t#{ ctyp }>"
                 end
                 ratts = shelve( ratts ) if ratts
                 rows << "\t\t<tr#{ ratts }>\n#{ cells.join( "\n" ) }\n\t\t</tr>"
@@ -562,13 +562,13 @@ class RedCloth3 < String
     LISTS_CONTENT_RE = /^([#*]+)(#{A}#{C}) (.*)$/m
 
     # Parses Textile lists and generates HTML
-    def block_textile_lists( text ) 
+    def block_textile_lists( text )
         text.gsub!( LISTS_RE ) do |match|
             lines = match.split( /\n/ )
             last_line = -1
             depth = []
             lines.each_with_index do |line, line_id|
-                if line =~ LISTS_CONTENT_RE 
+                if line =~ LISTS_CONTENT_RE
                     tl,atts,content = $~[1..3]
                     if depth.last
                         if depth.last.length > tl.length
@@ -604,17 +604,17 @@ class RedCloth3 < String
             lines.join( "\n" )
         end
     end
-    
+
     QUOTES_RE = /(^>+([^\n]*?)(\n|$))+/m
     QUOTES_CONTENT_RE = /^([> ]+)(.*)$/m
-    
+
     def block_textile_quotes( text )
       text.gsub!( QUOTES_RE ) do |match|
         lines = match.split( /\n/ )
         quotes = +''
         indent = 0
         lines.each do |line|
-          line =~ QUOTES_CONTENT_RE 
+          line =~ QUOTES_CONTENT_RE
           bq,content = $1, $2
           l = bq.count('>')
           if l != indent
@@ -635,7 +635,7 @@ class RedCloth3 < String
         @
         (?=\W)/x
 
-    def inline_textile_code( text ) 
+    def inline_textile_code( text )
         text.gsub!( CODE_RE ) do |m|
             before,lang,code,after = $~[1..4]
             lang = " lang=\"#{ lang }\"" if lang
@@ -643,7 +643,7 @@ class RedCloth3 < String
         end
     end
 
-    def lT( text ) 
+    def lT( text )
         text =~ /\#$/ ? 'o' : 'u'
     end
 
@@ -678,7 +678,7 @@ class RedCloth3 < String
                         end
                     end
 
-                    block_applied = 0 
+                    block_applied = 0
                     @rules.each do |rule_name|
                         block_applied += 1 if ( rule_name.to_s.match /^block_/ and method( rule_name ).call( blk ) )
                     end
@@ -725,7 +725,7 @@ class RedCloth3 < String
 
     BLOCK_RE = /^(([a-z]+)(\d*))(#{A}#{C})\.(?::(\S+))? (.*)$/m
 
-    def block_textile_prefix( text ) 
+    def block_textile_prefix( text )
         if text =~ BLOCK_RE
             tag,tagpre,num,atts,cite,content = $~[1..6]
             atts = pba( atts )
@@ -735,12 +735,12 @@ class RedCloth3 < String
             if respond_to? "textile_#{ tag }", true
               replacement = method( "textile_#{ tag }" ).call( tag, atts, cite, content )
             elsif respond_to? "textile_#{ tagpre }_", true
-              replacement = method( "textile_#{ tagpre }_" ).call( tagpre, num, atts, cite, content )  
+              replacement = method( "textile_#{ tagpre }_" ).call( tagpre, num, atts, cite, content )
             end
             text.gsub!( $& ) { replacement } if replacement
         end
     end
-    
+
     SETEXT_RE = /\A(.+?)\n([=-])[=-]* *$/m
     def block_markdown_setext( text )
         if text =~ SETEXT_RE
@@ -792,10 +792,10 @@ class RedCloth3 < String
     def block_markdown_lists( text )
     end
 
-    def inline_textile_span( text ) 
+    def inline_textile_span( text )
         QTAGS.each do |qtag_rc, ht, qtag_re, rtype|
             text.gsub!( qtag_re ) do |m|
-             
+
                 case rtype
                 when :limit
                     sta,oqs,qtag,content,oqa = $~[1..6]
@@ -828,14 +828,14 @@ class RedCloth3 < String
             (                          # $url
             (\/|[a-zA-Z]+:\/\/|www\.|mailto:)  # $proto
             [[:alnum:]_\/]\S+?
-            )               
+            )
             (\/)?                      # $slash
             ([^[:alnum:]_\=\/;\(\)\-]*?)       # $post
             )
             (?=<|\s|$)
-        /x 
+        /x
 #"
-    def inline_textile_link( text ) 
+    def inline_textile_link( text )
         text.gsub!( LINK_RE ) do |m|
           all,pre,atts,text,title,url,proto,slash,post = $~[1..9]
           if text.include?('<br />')
@@ -843,7 +843,7 @@ class RedCloth3 < String
           else
             url, url_title = check_refs( url )
             title ||= url_title
-            
+
             # Idea below : an URL with unbalanced parethesis and
             # ending by ')' is put into external parenthesis
             if ( url[-1]==?) and ((url.count("(") - url.count(")")) < 0 ) )
@@ -854,9 +854,9 @@ class RedCloth3 < String
             atts = +" href=\"#{ htmlesc url }#{ slash }\"#{ atts }"
             atts << " title=\"#{ htmlesc title }\"" if title
             atts = shelve( atts ) if atts
-            
+
             external = (url =~ /^https?:\/\//) ? ' class="external"' : ''
-            
+
             "#{ pre }<a#{ atts }#{ external }>#{ text }</a>#{ post }"
           end
         end
@@ -867,9 +867,9 @@ class RedCloth3 < String
             [ ]?                # opt. space
             (?:\n[ ]*)?         # one optional newline followed by spaces
             \[(.*?)\]           # $id
-        /x 
+        /x
 
-    def inline_markdown_reflink( text ) 
+    def inline_markdown_reflink( text )
         text.gsub!( MARKDOWN_REFLINK_RE ) do |m|
             text, id = $~[1..2]
 
@@ -878,11 +878,11 @@ class RedCloth3 < String
             else
                 url, title = check_refs( id )
             end
-            
+
             atts = " href=\"#{ url }\""
             atts << " title=\"#{ title }\"" if title
             atts = shelve( atts )
-            
+
             "<a#{ atts }>#{ text }</a>"
         end
     end
@@ -899,16 +899,16 @@ class RedCloth3 < String
             \3                  # matching quote
             )?                  # title is optional
             \)
-        /x 
+        /x
 
-    def inline_markdown_link( text ) 
+    def inline_markdown_link( text )
         text.gsub!( MARKDOWN_LINK_RE ) do |m|
             text, url, quote, title = $~[1..4]
 
             atts = " href=\"#{ url }\""
             atts << " title=\"#{ title }\"" if title
             atts = shelve( atts )
-            
+
             "<a#{ atts }>#{ text }</a>"
         end
     end
@@ -922,14 +922,14 @@ class RedCloth3 < String
         end
     end
 
-    def refs_textile( text ) 
+    def refs_textile( text )
         text.gsub!( TEXTILE_REFS_RE ) do |m|
             flag, url = $~[2..3]
             @urlrefs[flag.downcase] = [url, nil]
             nil
         end
     end
-    
+
     def refs_markdown( text )
         text.gsub!( MARKDOWN_REFS_RE ) do |m|
             flag, url = $~[2..3]
@@ -939,7 +939,7 @@ class RedCloth3 < String
         end
     end
 
-    def check_refs( text ) 
+    def check_refs( text )
         ret = @urlrefs[text.downcase] if text
         ret || [text, nil]
     end
@@ -955,16 +955,16 @@ class RedCloth3 < String
             (?:\(((?:[^\(\)]|\([^\)]+\))+?)\))?   # optional title
             \!                   # closing
             (?::#{ HYPERLINK })? # optional href
-        /x 
+        /x
 
-    def inline_textile_image( text ) 
+    def inline_textile_image( text )
         text.gsub!( IMAGE_RE )  do |m|
             stln,algn,atts,url,title,href,href_a1,href_a2 = $~[1..8]
             htmlesc title
             atts = pba( atts )
             atts = +" src=\"#{ htmlesc url.dup }\"#{ atts }"
             atts << " title=\"#{ title }\"" if title
-            atts << " alt=\"#{ title }\"" 
+            atts << " alt=\"#{ title }\""
             # size = @getimagesize($url);
             # if($size) $atts.= " $size[3]";
 
@@ -977,8 +977,8 @@ class RedCloth3 < String
             out << "<a#{ shelve( " href=\"#{ href }\"" ) }>" if href
             out << "<img#{ shelve( atts ) } />"
             out << "</a>#{ href_a1 }#{ href_a2 }" if href
-            
-            if algn 
+
+            if algn
                 algn = h_align( algn )
                 if stln == "<p>"
                     out = "<p style=\"float:#{ algn }\">#{ out }"
@@ -993,18 +993,18 @@ class RedCloth3 < String
         end
     end
 
-    def shelve( val ) 
+    def shelve( val )
         @shelf << val
         " :redsh##{ @shelf.length }:"
     end
-    
-    def retrieve( text ) 
+
+    def retrieve( text )
         text.gsub!(/ :redsh#(\d+):/) do
           @shelf[$1.to_i - 1] || $&
         end
     end
 
-    def incoming_entities( text ) 
+    def incoming_entities( text )
         ## turn any incoming ampersands into a dummy character for now.
         ## This uses a negative lookahead for alphanumerics followed by a semicolon,
         ## implying an incoming html entity, to be skipped
@@ -1012,14 +1012,14 @@ class RedCloth3 < String
         text.gsub!( /&(?![#a-z0-9]+;)/i, "x%x%" )
     end
 
-    def no_textile( text ) 
+    def no_textile( text )
         text.gsub!( /(^|\s)==([^=]+.*?)==(\s|$)?/,
             '\1<notextile>\2</notextile>\3' )
         text.gsub!( /^ *==([^=]+.*?)==/m,
             '\1<notextile>\2</notextile>\3' )
     end
 
-    def clean_white_space( text ) 
+    def clean_white_space( text )
         # normalize line breaks
         text.gsub!( /\r\n/, "\n" )
         text.gsub!( /\r/, "\n" )
@@ -1045,11 +1045,11 @@ class RedCloth3 < String
         end
     end
 
-    def footnote_ref( text ) 
+    def footnote_ref( text )
         text.gsub!( /\b\[([0-9]+?)\](\s)?/,
             '<sup><a href="#fn\1">\1</a></sup>\2' )
     end
-    
+
     OFFTAGS = /(code|pre|kbd|notextile)/
     OFFTAG_MATCH = /(?:(<\/#{ OFFTAGS }\b>)|(<#{ OFFTAGS }\b[^>]*>))(.*?)(?=<\/?#{ OFFTAGS }\b\W|\Z)/mi
     OFFTAG_OPEN = /<#{ OFFTAGS }/
@@ -1071,7 +1071,7 @@ class RedCloth3 < String
                     elsif line =~ OFFTAG_CLOSE
                         codepre -= 1
                         codepre = 0 if codepre < 0
-                    end 
+                    end
                 elsif codepre.zero?
                     glyphs_textile( line, level + 1 )
                 else
@@ -1118,7 +1118,7 @@ class RedCloth3 < String
                     end
                     codepre -= 1 unless codepre.zero?
                     used_offtags = {} if codepre.zero?
-                end 
+                end
                 line
             end
         end
@@ -1132,7 +1132,7 @@ class RedCloth3 < String
         end
     end
 
-    def inline( text ) 
+    def inline( text )
         [/^inline_/, /^glyphs_/].each do |meth_re|
             @rules.each do |rule_name|
                 method( rule_name ).call( text ) if rule_name.to_s.match( meth_re )
@@ -1140,11 +1140,11 @@ class RedCloth3 < String
         end
     end
 
-    def h_align( text ) 
+    def h_align( text )
         H_ALGN_VALS[text]
     end
 
-    def v_align( text ) 
+    def v_align( text )
         V_ALGN_VALS[text]
     end
 
@@ -1158,7 +1158,7 @@ class RedCloth3 < String
         'img' => ['src', 'alt', 'title'],
         'br' => [],
         'i' => nil,
-        'u' => nil, 
+        'u' => nil,
         'b' => nil,
         'pre' => nil,
         'kbd' => nil,
@@ -1183,7 +1183,7 @@ class RedCloth3 < String
         'h3' => nil,
         'h4' => nil,
         'h5' => nil,
-        'h6' => nil, 
+        'h6' => nil,
         'blockquote' => ['cite']
     }
 
@@ -1211,8 +1211,8 @@ class RedCloth3 < String
             end
         end
     end
-    
-    
+
+
     ALLOWED_TAGS = %w(redpre pre code kbd notextile)
     def escape_html_tags(text)
       text.gsub!(%r{<(\/?([!\w]+)[^<>\n]*)(>?)}) {|m| ALLOWED_TAGS.include?($2) ? "<#{$1}#{$3}" : "&lt;#{$1}#{'&gt;' unless $3.blank?}" }