MFC r293281: Use standard name for ASCII LF and FF control codes

PR: 205778

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

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

Capitalize ASCII code names.

Approved by: re

Removed whitespace at end-of-line; no content changes. I simply did
cd src/share; find man[1-9] -type f|xargs perl -pi -e 's/[ \t]+$//'

BTW, what editors are the culprits? I'm using vim and it shows
me whitespace at EOL in troff files with a thick blue block...

Reviewed by: Silence from cvs diff -b
MFC after: 7 days

mdoc(7) police: use the new features of the Nm macro.

$Id$ -> $FreeBSD$

add missing cvs Id lines.

This commit was generated by cvs2svn to compensate for changes in r1638,
which included commits to RCS files with non-trunk default branches.

BSD 4.4 Lite Share Sources