I never liked it, but with C2x coming out, it's best to handle bools
properly. I haven't gone through all the uses of int as bool (I'll leave
that for fixing when I encounter them), but this gets QF working with
both c2x (really, gnu2x because of raw strings).
cl_chat.[ch] to qw to hold advanced chat features, the first of which is
the ability to ignore chat messages from annoying players. Some polishing
in this area still remains, but the current implementation seems to work.
