Am Wed, 1 Aug 2012 19:28:44 +0200 schrieb Keith J. Schultz: > As has been mentioned the source and programming rational behind > LuaTeX is not documented, at least not publically. LuaTeX itself has a documentation. The font loader code used by context and luaotfload is the problem. -- Ulrike Fischer http://www.troubleshooting-tex.de/