reduce the man(7) global indentation from 7n to 5n, see man_term.c rev. 1.197

delete the two pairs of extra blank lines from expected man(7) terminal
output that are no longer printed since man_term.c rev. 1.189

Two new low-level roff(7) features:
* .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/

Two new low-level roff(7) features:
* .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.

show more ...