![]() Anyone who takes up GitHub after these postings will eventually discover that any serious collaborative work on GitHub requires a stronger familiarity with git on the command line which is the powerful tool working behind the scenes. I have focused entirely on GitHub and its software client, and especially the features that are easily accessed through the user interface.I have suggested that, in addition to being the most important hub of open source and free software on the net, its innovations also have powerful applications for any kind of collaborative authorship thanks to its distributed version control features, the process of “forking” repositories, and the social power of issuing “pull requests.”Īnyone who has read my postings that already has some background in using the git version control system or GitHub is likely to have at least a one of the following critiques of what I have written: The current version of the CommonMark spec is quite robust after many years of public feedback.Over the past few weeks I have been taking a closer look at how to use the text hosting and version control service at GitHub: part 1, part 2, part 3, and part 4. Live testing tool powered by the reference implementation. ![]() Quick reference card and interactive tutorial for learning Markdown. Public discussion area and mailing list via Discourse. Reference implementation and validation test suite on GitHub. One of our major goals is to strongly specify Markdown, and to eliminate the many old inconsistencies and ambiguities that made using Markdown so difficult. If a CommonMark implementation does not already exist in your preferred environment or language, try implementing your own CommonMark parser. Benjamin Dumke-von der Ehe, of Stack Overflow / Stack ExchangeĮxercise our reference implementations, or find a community implementation in your preferred environment or language.We’re a group of Markdown fans who either work at companies with industrial scale deployments of Markdown, have written Markdown parsers, have extensive experience supporting Markdown with end users – or all of the above. John MacFarlane, Martin Woodward, Jeff Atwood, were you in 2014, when this started?.We’re a group of Markdown fans continually working toward the vision of CommonMark - a standard, interoperable and testable version of Markdown. We believe this is necessary, even essential, for the future of Markdown. We propose a standard, unambiguous syntax specification for Markdown, along with a suite of comprehensive tests to validate Markdown implementations against this specification. The only way to resolve Markdown ambiguities and inconsistencies is Babelmark, which compares the output of 20+ implementations of Markdown against each other to see if a consensus emerges. There’s no standard test suite for Markdown MDTest is the closest thing we have. To make matters worse, because nothing in Markdown counts as a “syntax error,” the divergence often isn’t discovered right away. As a result, users are often surprised to find that a document that renders one way on one system (say, a GitHub wiki) renders differently on another (say, converting to docbook using Pandoc). was last updated December 17 th, 2004.īecause there is no unambiguous spec, implementations have diverged considerably over the last 10 years. But was quite buggy, and gave manifestly bad results in many cases, so it was not a satisfactory replacement for a spec. In the absence of a spec, early implementers consulted the original code to resolve these ambiguities. John Gruber’s canonical description of Markdown’s syntax does not specify the syntax unambiguously. By 2014 there were dozens of implementations in many languages. Gruber wrote the first markdown-to-html converter in Perl, and it soon became widely used in websites. It was developed in 2004 by John Gruber in collaboration with Aaron Swartz. Learn Markdown in 60 Seconds Who created Markdown? It’s a plain text format for writing structured documents, based on formatting conventions from email and usenet. CommonMark A strongly defined, highly compatible specification of Markdown What is Markdown?
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