Hi, I would suggest to rename DB related G_OPTs in parser.c to G_OPT_DB_, e.g. G_OPT_WHERE to G_OPT_DB_WHERE. Since those defines were added recently, maybe could be possible to rename them also in grass6 (or to define aliases) ? Martin -- Martin Landa <landa.martin gmail.com> * http://gama.fsv.cvut.cz/~landa *