Add BlueCloth example to README.

README.rdoc

@@ -351,15 +351,31 @@ The rdiscount gem/library is required to render Markdown templates:
 Renders <tt>./views/index.markdown</tt> (+md+ and +mkd+ are also valid file
 extensions).
 
-It is not possible to call methods from markdown, nor to pass locals to it. You therefore will usually use it in combination with another rendering engine:
+It is not possible to call methods from markdown, nor to pass locals to it.
+You therefore will usually use it in combination with another rendering
+engine:
 
   erb :overview, :locals => { :text => markdown(:introduction) }
 
-Note that you may also call the markdown method from within other templates:
+Note that you may also call the +markdown+ method from within other templates:
 
   %h1 Hello From Haml!
   %p= markdown(:greetings)
 
+It is also possible to parse Markdown with BlueCloth rather than RDiscount:
+
+  require 'bluecloth'
+  
+  Tilt.register 'markdown', BlueClothTemplate
+  Tilt.register 'mkd',      BlueClothTemplate
+  Tilt.register 'md',       BlueClothTemplate
+  
+  get '/' do
+    markdown :index
+  end
+
+Renders <tt>./views/index.md</tt> with BlueCloth.
+
 === Textile Templates
 
 The RedCloth gem/library is required to render Textile templates:
@@ -373,7 +389,8 @@ The RedCloth gem/library is required to render Textile templates:
 
 Renders <tt>./views/index.textile</tt>.
 
-It is not possible to call methods from textile, nor to pass locals to it. You therefore will usually use it in combination with another rendering engine:
+It is not possible to call methods from textile, nor to pass locals to it. You
+therefore will usually use it in combination with another rendering engine:
 
   erb :overview, :locals => { :text => textile(:introduction) }
 
@@ -395,7 +412,8 @@ The RDoc gem/library is required to render RDoc templates:
 
 Renders <tt>./views/index.rdoc</tt>.
 
-It is not possible to call methods from rdoc, nor to pass locals to it. You therefore will usually use it in combination with another rendering engine:
+It is not possible to call methods from rdoc, nor to pass locals to it. You
+therefore will usually use it in combination with another rendering engine:
 
   erb :overview, :locals => { :text => rdoc(:introduction) }