glob patterns described in glob(7) not fnmatch(3);
from evan silberman

ok sthen semarie millert

Delete remnants of removed "diff -l" option.
From Nathan Houghton

Add some references, most of these were removed when we stopped building
and installing USD/SMM/PSD docs.

jmc@ agrees with the direction, ok millert@ on an earlier diff

correct Research Unix edition "appeared in" use in HISTORY

Starting from "Combined Table of Contents" in Doug McIlroy's
"A Research UNIX Reader" a table of which edition manuals appeared in.
Checked

correct Research Unix edition "appeared in" use in HISTORY

Starting from "Combined Table of Contents" in Doug McIlroy's
"A Research UNIX Reader" a table of which edition manuals appeared in.
Checked against manuals from bitsavers/TUHS and source from TUHS where
available.

Ingo points out there are cases where something is included but not
documented until a later release.
bcd(6) v6 v7
printf(3) v2 v4
abort(3) v5 v6
system(3) v6 v7
fmod(3) v5 v6

ok schwarze@

show more ...

remove incorrect escaping of '+', correctly escape '-', and garbage collect .Tn

fix an error in the text; from donald allen
ok millert

no more TMPDIR;

remove TMPDIR support. ok millert

Remove the non-standard -l flag that pipes the output through pr(1).
Based on a diff from and OK deraadt@

TMPDIR is an extension;
while here, converting \*(Gt to >, in accordance with some advice from ingo

where "-" represents stdin, just use Sq, not Fl, since it's not a flag;
from Jan Stary

remove obsolete BUGS (cmp is not run internally); ok otto

add a reference to the "An Algorithm for Differential File Comparison" paper;
diff originally from Daniel Dickman, but otto suggested this paper

ok otto millert

add an EXIT STATUS section for /usr/bin;

Add a cross reference to patch(1)
as suggested by Thomas de Grivel <billitch at gmail dot com> on tech@.
While here, remove the SEE ALSO entries (but not the cross references
at the appropriate place

Add a cross reference to patch(1)
as suggested by Thomas de Grivel <billitch at gmail dot com> on tech@.
While here, remove the SEE ALSO entries (but not the cross references
at the appropriate places!) to fnmatch(3), re_format(7), and pr(1).
Their relevance is restricted to one single option each, the latter
is mostly obsolete nowadays anyway, and the number of SEE ALSO entries
is so large that SEE ALSO is starting to look confusing.
"yes" jmc@

show more ...

`-q' is an output option, hence it is mutually exclusive.

ok jmc@

move mutually exclusive options (-c, -e, -f, -n and -u) to the right place.

ok jmc@

updates to IEEE Std 1003.1-2008;

bump the posix reference in STANDARDS to IEEE Std 1003.1-2008, with a few
updates to follow;

convert to new .Dd format;

- use a consistent text for STANDARDS
- note which options are extensions to POSIX

sort options/synopsis/usage();
from Igor Sobrado

- no need to escape these

+.Xr sdiff 1 ,

clarify what -a does;
prod and ok deraadt@