mandoc - UNIX manpage compiler toolset

	Commit message (Collapse)	Author	Age	Files	Lines
*	Two new low-level roff(7) features:	Ingo Schwarze	2018-04-10	1	-0/+30
	* .nr optional third argument (auto-increment step size) * \n+ and \n- numerical register auto-increment and -decrement bentley@ reported on Dec 9, 2013 that lang/sbcl(1) uses these.