Re: request for isprint character class code in string.gsub patterns

[Luiz Henrique de Figueiredo <lhf@...>]

> I'm writing a function to quote a string, that is, it takes a string 
> and returns a string that when printed is acceptable as a lua literal 
> (and the literal is equal to the passed string).

This is the job of %q in string.format. I think support for
non-printable characters needs to be added to %q.
--lhf