Fix the "undefined redcloth_to" problem by providing some rdoc for it
Fix the "undefined redcloth_to" problem by providing some rdoc for it

github/redcloth,amrocco/redcloth,dmitry/redcloth,mmorga/redcloth,mmorga/redcloth,dmitry/redcloth,github/redcloth,purcell/redcloth,amrocco/redcloth,purcell/redcloth