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l3build: a testing and building system for LaTeX3

Release 2020-06-04


The l3build module is designed to support the development of high-quality LaTeX code by providing:

  • A unit testing system
  • Automated typesetting of code sources
  • A reliable packaging system for CTAN releases

The bundle consists of a Lua script to run the tasks and a .tex file which provides the testing environment. These were originally developed for supporting LaTeX3 development but are designed such that they can be readily used by others. Full documentation is provided.


The issue tracker for LaTeX3 is currently located on GitHub.

Development team

The LaTeX kernel is developed by The LaTeX3 Project.

Copyright (C) 2014-2020 The LaTeX3 Project
All rights reserved.

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