Directory macros/luatex/generic/lua-visual-debug
Visual debugging for LuaTeX
The LuaTeX package lua-visual-debug shows boxes, glues, kerns and penalties in the PDF output.
Usage:
LaTeX:
\usepackage{lua-visual-debug}
or plain:
\input lua-visual-debug.sty
or OpTeX:
\load[lua-visual-debug]
Requirements: The package has only been tested with LuaTeX and the formats plain and LaTeX. Other formats might work as well, but other engines only show a warning message.
Copyright 2012–2025 Patrick Gundlach (<patrick@gundla.ch>) and others (see Git information)
Package version: 2025-12-29 v1.0
Public repository: https://github.com/Udi-Fogiel/lvdebug
Licensed under the MIT license. See the Lua file for details.
The idea is heavily inspired by Hans Hagen's https://www.pragma-ade.com/articles/art-visi.pdf
Example output
Download the contents of this package in one zip archive (343.7k).
lua-visual-debug – Visual debugging with LuaLaTeX
The package uses lua code to provide visible indications of boxes, glues, kerns and penalties in the PDF output.
The package is known to work in LaTeX and Plain TeX documents.
| Package | lua-visual-debug |
| Repository | https://github.com/Udi-Fogiel/lvdebug |
| Version | 1.0 2025-12-29 |
| Licenses | MIT License |
| Copyright | 2012–2023 Patrick Gundlach 2025 Udi Fogiel |
| Maintainer | Udi Fogiel Patrick Gundlach (inactive) |
| Contained in | TeX Live as lua-visual-debug MiKTeX as lua-visual-debug |
| Topics | Generic Macros Debug supp LuaTeX |
