Now supporting 4 Markdown parsers

README.mkdn

@@ -90,7 +90,12 @@ On a Linux or Windows machine, you're a bit more on your own, as I don't know ho
 * `gem install git`
 * `gem install haml` (if you wish to create your templates or write your posts in haml)
 * `gem install RedCloth` (if you wish to write your posts in Textile)
-* `gem install Maruku` (if you wish to write your posts in Markdown)
+* One of the following Markdown libraries (if you wish to write your posts in Markdown)
+** `sudo gem install rdiscount`
+** `sudo gem install rpeg-markdown`
+** `sudo gem install maruku`
+** `sudo gem install BlueCloth`
+
 
 To develop and contribute to git-blog, you also need:
 

lib/git-blog/parser/markdown.rb

@@ -1,13 +1,34 @@
-require 'maruku'
+# rpeg-markdown
+begin
+  require 'markdown'
+
+# Discount
+rescue LoadError
+  begin
+    require 'rdiscount'
+    Markdown = RDiscount
+
+  # Maruku
+  rescue LoadError
+    begin
+      require 'maruku'
+      Markdown = Maruku
+
+    # BlueCloth
+    rescue LoadError
+      require 'bluecloth'
+      Markdown = BlueCloth
+    end
+  end
+end
 
 module GitBlog
   module Parsers
     module Markdown
       def self.parse input
         input.gsub!(/^(.*)\n=+(\n\s+)*\n/m, '')
-        ::Maruku.new(input).to_html
+        ::Markdown.new(input).to_html
       end
     end
   end
-end
-
+end