fix for newlines being stripped within codemirror sections

Author: benkeen

_plugins/codemirror.rb

@@ -5,14 +5,15 @@
 
 module Jekyll
 	class CodeMirror < Liquid::Block
+
         def initialize(tag_name, lang, tokens)
             super
             @lang = lang.to_s.strip
         end
 
 		def render(context)
 		    require 'cgi'
-		    '<pre class="codemirror" data-lang="' + @lang.to_s + '">' + CGI.escapeHTML(super.strip) + '</pre>'
+		    '<textarea class="codemirror" data-lang="' + @lang.to_s + '">' + CGI.escapeHTML(super.strip) + '</textarea>'
 		end
 	end
 end

_plugins/collapse_newlines.rb

@@ -38,8 +38,10 @@ def write(dest)
         # If the file is HTML, newlines within <pre> elements should not be
         #   collapsed.
         pre_regexp = /<\/?pre[^>]*>/i
-        pre_list = output.scan(pre_regexp)
-        blocks = output.split(pre_regexp)
+        textarea_regexp = /<\/?textarea[^>]*>/i
+
+        pre_list = output.scan(Regexp.union(pre_regexp, textarea_regexp))
+        blocks = output.split(Regexp.union(pre_regexp, textarea_regexp))
 
         collapsed_blocks = []
         blocks.each_with_index do |block, i|