[Dev-luatex] return value of filter callbacks
mpg at elzevir.fr
Fri Nov 5 14:46:30 CET 2010
[btw: I meant to write to the users list, sorry]
Le 05/11/2010 14:22, Taco Hoekwater a écrit :
> In all these cases the result of returning a boolean is the same:
> false == callback has failed
> true == callback has run ok, but nothing has been changed
> the latter case (true) is interesting because it allows a speed
> optimization that can be considerable. I could have sworn this was
> mentioned in the manual, but I cannot find it myself either.
Ok, thanks for the clarification. Just to be sure: in case the function returns
false, and error will be issued, right?
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