Here are the results from the limited data set provided. It looks like 'markdown' is the winner followed by 'mdown'. Third place is a tie between 'text' and 'md'.
If usage sets a standard, then 'markdown' is the standard. Used by Multiple Sources ------------------------ * markdown - BBEdit, Elements, GitHub, Gruber <http://tinyurl.com/25bzct8>, TextMate * mdown - Elements, GitHub, TextMate * text - BBEdit, Gruber <http://tinyurl.com/2abbfjh> * md - Elements, GitHub Used by One Source ------------------ * mark - BBEdit * mdwn - Elements * mkd - GitHub * mkdn - GitHub Suggested --------- * mdtext * mdtxt * mtext _______________________________________________ Markdown-Discuss mailing list Markdown-Discuss@six.pairlist.net http://six.pairlist.net/mailman/listinfo/markdown-discuss