{"-extravisnudge", "Broken feature to nudge the luxel origin to a better vis cluster"},
{"-extrawide", "Deprecated alias for `-super 2 -filter`"},
{"-extra", "Deprecated alias for `-super 2`"},
+ {"-fastallocate", "Use `-fastallocate` to trade lightmap size against allocation time (useful with hi res lightmaps on large maps: reduce allocation time from days to minutes for only some extra bytes)"},
{"-fastbounce", "Use `-fast` style lighting for radiosity"},
{"-faster", "Use a faster falloff curve for lighting; also implies `-fast`"},
{"-fastgrid", "Use `-fast` style lighting for the light grid"},