1. Vastly improved backtick code blocks and added support for Textile

2. Refactored Octopress filters into Liquid filters and pre/post render filters (using post_filters plugin)
3. Added methods to raw plugin to prevent Markdown and Textile from parsing blocks
4. Updated render partial to invoke the pre_render method of post_filters
5. Moved Rubypants filter out of default.html into Octopress post_render filters
6. Added raw's safe_wrapper method to codeblock and include_code filters

plugins/backtick_code_block.rb

@@ -0,0 +1,42 @@
+require './plugins/pygments_code'
+
+module BacktickCodeBlock
+  include HighlightCode
+  AllOptions = /([^\s]+)\s+(.+?)(https?:\/\/\S+)\s*(.+)?/i
+  LangCaption = /([^\s]+)\s*(.+)?/i
+  def render_code_block(input)
+    @caption = nil
+    @lang = nil
+    @url = nil
+    @title = nil
+    input.gsub /^`{3} *([^\n]+)?\n(.+?)\n`{3}/m do
+      options = $1
+      str = $2
+
+      if options =~ AllOptions
+        @lang = $1
+        @caption = "<figcaption><span>#{$2}</span><a href='#{$3}'>#{$4 || 'link'}</a></figcaption>"
+      elsif options =~ LangCaption
+        @lang = $1
+        @caption = "<figcaption><span>#{$2}</span></figcaption>"
+      end
+
+      if str.match(/\A {4}/)
+        str = str.gsub /^ {4}/, ''
+      end
+      if @lang.nil? || @lang == 'plain'
+        code = tableize_code(str.gsub('<','&lt;').gsub('>','&gt;'))
+        "<figure role=code>#{@caption}#{code}</figure>"
+      else
+        if @lang.include? "-raw"
+          raw = "``` #{@lang.sub('-raw', '')}\n"
+          raw += str
+          raw += "\n```\n"
+        else
+          code = highlight(str, @lang)
+          "<figure role=code>#{@caption}#{code}</figure>"
+        end
+      end
+    end
+  end
+end