lparse – Parse macro arguments with Lua using xparse-like specification

The name lparse is derived from xparse. The x has been replaced by an l because this package only works with LuaTeX. l stands for Lua.

Just as with xparse, it is possible to use a special syntax consisting of single letters to express the arguments of a macro. However, lparse is able to read arguments regardless of the macro system used — whether LaTeX, or ConTeXt, or even plain TeX. Of course, LuaTeX must always be used as the engine.

Sources	`/macros/luatex/generic/lparse`
Documentation	README.md Package documentation
Bug tracker	https://github.com/Josef-Friedrich/lparse/issues
Announcements	https://github.com/Josef-Friedrich/lparse/blob/main/CHANGELOG.md
Repository	https://github.com/Josef-Friedrich/lparse
Version	0.3.0 2025-07-02
Licenses	The LaTeX Project Public License 1.3c
Copyright	2023–2025 Josef Friedrich
Maintainer	Josef Friedrich
Contained in	TeX Live as lparse MiKTeX as lparse
Topics	Parser Defining Macro Key-Val LuaTeX Generic Macros Tagged PDF

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