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

On a new RS nesting level, the saved width starts from the default
width, not from the saved width of the previous level.
Improves xterm(1) and XSetEventQueueOwner(3); found in transcode_filter(1).

Fix a quirk with respect to empty .HP.
Found while writing a regression test for man_macro.c rev. 1.66.
Incidentally, this brings rendering of XFreeEventData(3) closer to groff.

inevitable churn caused by the section title change

Correct indentation for lists and displays inside lists.

Inspired by a diff from millert@, but implemented rather
differently and with slightly better functionality.
In particular, this one respects

Correct indentation for lists and displays inside lists.

Inspired by a diff from millert@, but implemented rather
differently and with slightly better functionality.
In particular, this one respects -offset and -width
arguments found in the input file.

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