Highlight is a source code to formatted text converter. It generates HTML, XHTML, RTF, ODT, LaTeX, TeX, SVG, BBCode and terminal escape sequences with coloured syntax highlighting. Language definitions and colour themes are Lua scripts and support plugins
The name stands for "General Purpose Abstraction Layer". GPAL is a set of C++ classes which are used to represent any kind of data and to manipulate them. Thanks to SWIG, it is usable in many programming languages.