luaL_findstring no longer exists in Lua 5.1. For the moment, the best betoh i didn't see this message in the digest at first...tried that and it worked.is to copy it from Lua 5.0 and add it to lxplib.c. http://www.lua.org/source/5.0/src_lib_lauxlib.c.html#luaL_findstring
thanks for the help!