From the project "Goal and Rationale":
The goal here is to update and amplify the long-existing LaTeX(2e) reference manual, which has been included in free TeX distributions for many years. It originated with George Greenwade, was updated for LaTeX 2.09 by Stephen Gilmore, and for LaTeX2e by Torsten Martinsen. None of these folks can continue work on the project, so [I, karlberry,] decided to restart it, initiating what I very much hope will be a collaborative effort.
The goal is not to replace the major books about LaTeX; that would not be realistic. What is feasible, I hope, is to summarize the features (commands, environments, options, etc.) of core LaTeX2e.
The project is purely documentary, and the document is written in Texinfo.
This project has the following developers:
New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
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If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!