setgifopts_nl
DEF_CMD("noclamp", GIF_NOCLAMP, setgifopts_nl),
DEF_CMD("-noclamp", -GIF_NOCLAMP, setgifopts_nl),
DEF_CMD("ignore_source", GIF_IGNORE_SOURCE, setgifopts_nl),
DEF_CMD("-ignore_source", -GIF_IGNORE_SOURCE, setgifopts_nl),