OPTEX(1) General Commands Manual OPTEX(1) (NAME) optex - OPmac Plain TeX LuaHBTeX (SYNOPSIS) optex [ ] (DESCRIPTION) LaTeX . TeX info Web2C: A TeX implementation . OpTeX LuaTeX LuaHBTeX optex.fmt . Plain TeX (Donald Knuth) OPmac csplain . http://petr.olsak.net/optex . (SEE ALSO) luatex(1), tex(1), (AUTHORS) OpTeX Petr Olsak . Petr Olsak 17 Feb. 2020 OPTEX(1)