mppdown/MDOWN, branch master

mppdown/MDOWN, branch master C++ implementation of the mdown2 specification. https://git.awhk.org/mppdown/atom?h=master 2010-12-01T22:26:16Z mdown specification file added. 2010-12-01T22:26:16Z Grégoire Duchêne gduchene@fastmail.net 2010-12-01T22:26:16Z urn:sha1:2e7217432858185374fc958bcd4dc4d0cd7b22fe This file will be the authoritative version of the specification.