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* Implement the roff .break request (break out of a .while loop).Ingo Schwarze2019-04-211-0/+9
Jan Stary <hans at stare dot cz> found it in an ancient groffer(1) manual page (version 1.19) on MacOS X Mojave. Having .break not implemented wasn't a particularly bright idea because obviously, it tended to cause infinite loops.