optex [ first line ]
This manual page was derived from the manual page for LaTeX and is not meant to be exhaustive. The complete documentation for this version of TeX can be found in the info file or manual Web2C: A TeX implementation.
OpTeX is LuaTeX macro package initialized as the LuaTeX format optex.fmt. It is based on Plain TeX macros by Donlad Knuth and on OPmac macros from csplain package. For more information about it see http://petr.olsak.net/optex web page.
The author of OpTeX is Petr Olsak.