[1] The vfmd specification
( ็)
http://www.vfmd.org/vfmd-spec/specification/
vfmd is a variant of Markdown with an unambiguous specification of its syntax.
[2] Differences with the original Markdown
( ็)
http://www.vfmd.org/differences/
[3] vfmd ยท GitHub
( ็)
https://github.com/vfmd