[tex-k] Is 'lua' a recognized format?

[Karl Berry]

    Can someone please enlighten me? And if lua is not yet a recognized
    extension for kpsewhich, is it planned?

It's in the sources (kpathsea/tex-file.c) now, so it will be in TL'09.

#define LUA_ENVS "LUAINPUTS"
...
    case kpse_lua_format:
      INIT_FORMAT ("lua", DEFAULT_LUAINPUTS, LUA_ENVS);
#define LUA_SUFFIXES ".luc", ".luctex", ".texluc", ".lua", ".luatex", ".texlua"
      SUFFIXES (LUA_SUFFIXES);
      FMT_INFO.suffix_search_only = true;
      break;