cmark-gfm: cmark-gfm (extended CommonMark parsing/rendering library) cmark-gfm: cmark-gfm: cmark-gfm is an extended version of the C reference implementation of cmark-gfm: CommonMark, a rationalized version of Markdown syntax with a spec. cmark-gfm: This version adds GitHub Flavored Markdown extensions to the upstream cmark-gfm: implementation], as defined in the spec. cmark-gfm: cmark-gfm: Homepage: https://github.com/github/cmark-gfm cmark-gfm: cmark-gfm: cmark-gfm: