github/markup — pull request #343 by pchaigno (2014-08-07 14:56:16+00:00)
Title: Render RMarkdown (.rmd) as Markdown

This PR makes RMarkdown files (`.rmd`) rendered as Markdownl.
If I'm right, this should enable rendering for `.rmd` files in Gist? (It would be better than the current situation where there is no rendering at all.)