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>>> HAUTECOB@ESSILOR.fr 01/05/05 12:18PM >>> what is the difference beetween: "strings.sub (x,y,z)" and "strsub(x,y,z)" First one is how you do it in Lua 5, second is the old way in vs 4. You can always say: strsub = strings.sub if you prefer the shorter version! steve d.