Arno Trautmann wrote: > why is \if:w, but \if_meaning:NN, \if_cs_meaning:NN and \if_token_eq:NN? > The syntax is the same in all cases – I would have expected :w after all. I suspect that this is on the clean-up list one way or another. Having four functions for one primitive is clearly excessive. I wonder if this one falls into the same category as \exp_after:NN, where :w is more accurate but :NN is true enough of the time to be more helpful. -- Joseph Wright