jgm/pandoc — pull request #1666 by jronallo (2014-10-05 02:47:11+00:00)
Title: add mime type for WebVTT

Now that https://github.com/jgm/pandoc/issues/1664 includes WebVTT track files as data-URIs when using --self-contained, it is necessary to add the WebVTT MIME type text/vtt.
http://dev.w3.org/html5/webvtt/#webvtt-file-structure