CHECKSTYLE: Report problems with a non-zero status

Hi Branden, I started using groff(1)'s -rCHECKPATCH=3 in my chessutils game suite (consisting of exactly 1 game right now :~). See As with C static analyzers, I added it to the

CHECKSTYLE: Report consecutive .?P (paragraph macros)

Hi Branden, Recently you reported to me a style error: [ .PP .TP tag paragraph ] In general, consecutive paragraph marcos are wrong, right? .IP, .PP, .TP (and I may forget some more). I've tried it with -rCHECKSTYLE=3 and I got nothing. I think this one should be easy to implement, and would