Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Re-enable SGR support (ANSI color escapes) in grotty(1) by default.
Our man(1) and bsd.doc.mk still disable it for POLA reasons via the
-c option to grotty(1).

PR: gnu/82353

Merge Groff 1.19.2 changes.

Unbreak Russian KOI8-R support.

Merge Groff 1.19 changes.

A version of SGR disabling stuff that is believed to be safe.

Submitted by: Werner LEMBERG <wl@gnu.org>

A crude temporary hack to fix building of ms(7) formatted documents
while I am working on a real fix.

A better version of disabling SGR support in grotty(1).

Disable SGR support in grotty(1) pending the resolution on -arch.

New Russian hyphenation patterns from the teTeX distribution.
Use the new .hpfa request to append them to English patterns.

Merge Groff 1.18.1 changes.

Merge Groff 1.17 changes.

Resolve conflicts after v1.16.1 import.

Fix conflicts which arose during import, also add $FreeBSD$.

source hyphen.us-ru from locale subdir

change prev. commit: emulate latin1 on ascii if latin1 chars are
in the text as groff authors suppose

Pick hardcoded latin1 chars definitions only if -Tlatin1

Add Russian language / koi8-r font support.

Original author: ache

This commit was generated by cvs2svn to compensate for changes in r18099,
which included commits to RCS files with non-trunk default branches.

Virgin import of FSF groff v1.10