Minor Cleanups

Remove a no-longer-needed function.
' -> &39;
Fix regexp for tag chunk.

lib/chunks/category.rb

@@ -18,7 +18,7 @@ class Category < Chunk::Abstract
 def initialize(match_data, content)
     super(match_data, content)
     @hidden = match_data[1]
-    @list = match_data[2].split(',').map { |c| c.to_s.is_utf8? ? html_escape(c.strip) : nil }
+    @list = match_data[2].split(',').map { |c| c.to_s.is_utf8? ? c.strip.escapeHTML : nil }
     @list.compact!
     @unmask_text = ''
     if @hidden

lib/chunks/chunk.rb

@@ -78,14 +78,6 @@ module Chunk
       @content.delete_chunk(self)
     end
 
-    def  html_escape(string)
-      string.gsub( /&/, "&" ).
-             gsub( /</, "&lt;" ).
-             gsub( />/, "&gt;" ).
-             gsub( /'/, "&#39;" ).
-             gsub( /"/, "&quot;" )
-    end
-
   end
 
 end

lib/chunks/literal.rb

@@ -24,7 +24,7 @@ module Literal
 
   # A literal chunk that protects HTML tags from wiki rendering.
   class Tags < AbstractLiteral
-    TAGS_PATTERN = Regexp.new('<[a-zA-Z]+[^>]*?>', Regexp::MULTILINE) 
+    TAGS_PATTERN = Regexp.new('<[-a-zA-Z]+[^>]*?>', Regexp::MULTILINE) 
     def self.pattern() TAGS_PATTERN  end
   end
 end