which wmd-editor repository to use

I read that the original wmd-editor is no longer maintained so there was an effort to reverse engineer it, hosted on github. However this version is not ready because it references a number of undefined functions, for example:

processHeadings is not defined /static/js/lib/plu开发者_开发知识库gins/wmd/showdown.js Line 66

There is also a version on Google Code, but the repository is empty.

Does anyone know if there is a successful reverse engineering attempt of wmd-editor with a publicly accessible repository?

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The derobbins version is the version I believe most people are using (and the one used here on Stack Overflow).

There are also a number of forks off of the derobbins version that add some additional functionality (ajax loading for example) or other fixes if you're interested, including mine (MarkEdit) which is a jQuery re-write of the interface side of WMD editor to add customization and a public API.

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_{Updating as per 2010-02.}

Take a look at the wmd-new fork, the Stack Overflow fork and one of the most active branchs (from this meta post).