Copy stable/11@r303970 to releng/11.0 as part of the 11.0-RELEASE
cycle.

Prune svn:mergeinfo from the new branch, and rename it to RC1.

Update __FreeBSD_version.

Use the quarterly branch for the default FreeBSD.conf pkg(8) repo and
the dvd1.iso packages population.

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

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

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

Update to upstream version 2.11

Improved #if expression evaluator and safer modify-in-place.

Obtained from: http://dotat.at/prog/unifdef
MFC after: 1 week

Update to upstream version 2.10

The most notable new feature is support for definition files.

Obtained from: http://dotat.at/prog/unifdef
MFC after: 1 week

use .Mt to mark up email addresses consistently (part3)

PR: 191174
Submitted by: Franco Fichtner <franco at lastsummer.de>

Update to upstream version 2.7

The most notable new feature is support for processing multiple
files in one invocation. There is also support for more make-friendly
exit statuses.

The most notable bug fix is #line directives now include the input
file name.

Obtained from: http://dotat.at/prog/unifdef

Remove superfluous paragraph macro.

Fix typos.

Update to upstream version 2.3

Add -V (display version) and -S (list controlling symbols per #if
with nesting information) options, and improve unifdefall debug output.
Done committing 0 revisions to SVN

Obtained from: http://dotat.at/prog/unifdef

Update to upstream version 1.338

Fix a long-standing cpp compatibility bug: The -DFOO argument
(without an explicit value) should define FOO to 1 not to the empty
string.

Add support for CRLF newlines, based on a suggestion from Mark Rushakoff.

Obtained from: http://dotat.at/prog/unifdef/

Add a -o outfile option, which can be used to specify an output file. The
file can safely be the same as the input file. Idea from IRIX unifdef(1).
This version fixes a bug in the NetBSD unifdef which refuses to
write to a -o outfile which does not exist.

Obtained from: NetBSD

Update unifdef to my upstream version 1.188

Main highlights:

(A) The new -B option compresses blank lines around a deleted section
so that blank lines around "paragraphs" of code don't get doubled.

(B) Lenient evaluation of && and || so that #if expressions can be
evaluated even when some of their sub-expressions cannot be.

(C) The evaluator can now handle macros with arguments.

(D) Portability fixes, especially for unifdefall.

Contributions from:
Ben Hutchings at Solarflare Communications (A and B)
Anders H Kaseorg <andersk@mit.edu> (A and C)
Jonathan Nieder <jrnieder@gmail.com> (D)

Obtained from: http://dotat.at/prog/unifdef/

Add AUTHORS section[*] and fix HISTORY section.

Requested by: Dave Yost (original author)[*]
History checked by: The CSRG Archives
MFC after: 3 days

Sync program's usage() with manpage's SYNOPSIS.

Sync with upstream:

Allow the user to run unifdef without defining any symbols. This is
useful in conjunction with the -k flag.
Fix a bug in the -s handling code that would have caused out-of-bounds
array accesses.
Add a -n option to insert #line directives in the output.
Ignore comment markers inside string and character literals
(bug reported by Amos Shapira <amos.shapira@netregistry.com.au>).
More accurate copyright notices.

Sort sections.

Added the EXIT STATUS section where appropriate.

mdoc(7) police: Scheduled sweep.

Sync with upstream again:

* Be less strict about multi-line preprocessor directives (e.g. those
with comments hanging off the right-hand end) since they're more
of a problem in practise than I expected. Prompted by phk.

* Fix the handling of "ignore" symbols.

* Style pedantry from OpenBSD and Ted Unangst <tedu@stanford.edu>,
including some whitespace fixes and removal of strcpy()
(and not including excessively strict KNF enforcement).

* Fix some typos and terminological inconsistencies.

mdoc(7) police: markup nits.

Sync with up-stream version, including a number of bug-fixes:

* The partial-evaluation of #elif sequences was broken and the
spaghetti logic of its implementation was too hard to understand.
I've re-done it using a straight-forward table-driven push-down
automaton.

* The pre-processor line parser did not allow for all of the weird
places that people might put comments, which could have caused it
to add syntax-errors to the output by removing a #if line containing
the start- or end-marker of a comment.

* The lexer didn't need to special-case the handling of string-literals
or character-constants, but it did need to learn about line-continuations
(backslash-newline).

* The input routine was buggy and bit-rotten and trivially replacable
with fgets(). I've also made the program static- and const-safe and
improved the presentation-order. The formatting of the state-transition
tables remains non-stylish.

This commit-messsage was brought to you by code-point 45.

MFC-after: one-week

mdoc(7) police: s/nul character/null character/.

Approved by: re

The readability is improved by reducing the use of the passive voice.
No changes to the meaning are made.

It is probably a bad idea to unconditionally process directives with
constant controlling expressions: in particular, removing #if 0 sections
is considered "rude". This commit changes the default so that such
things are passed through unchanged, and the old behaviour can be had
with the -k "kill konsts" flag.

Suggested by: markm
MFC after: 3 weeks

Character 0 is nul not null.

mdoc(7) police: tidy up.

Upgrade unifdef:

* It now knows about the existence of #elif which would have
caused it to produce incorrect results in some situations.

* It can now process #if and #elif lines according to the
values of symbols that are specified on the command line.
The expression parser is only a simple subset of what C
allows but it should be sufficient for most real-world
code (it can cope with everything it finds in xterm).

* It has an option for printing all of the symbols that might
control #if processing. The unifdefall script uses this
option along with cpp -dM to strip all #ifs from a file.

* It has much larger static limits.

* It handles nested #ifs much more completely.

There have also been many style improvements: KNF; ANSI function
definitions; all global stuff moved to the top of the file; use
stdbool instead of h0h0bool; const-correctness; err(3) instead
of fprintf(stderr, ...); enum instead of #define; commentary.

I used NetBSD's unifdef as the basis of this since it has received
the most attention over the years.

PR: 37454
Reviewed by: markm, dwmalone
Approved by: dwmalone (mentor)
MFC after: 3 weeks

Use `The .Nm utility'

mdoc(7) police: removed HISTORY info from the .Os call.

Fix a grammar bogon.

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

Avoid use of direct troff requests in mdoc(7) manual pages.

The last "-iDsym" makes more sense as "-iUsym".

$Id$ -> $FreeBSD$

Add $Id$, to make it simpler for members of the translation teams to
track.

The $Id$ line is normally at the bottom of the main comment block in the
man page, separated from the rest of the manpage by an empty comment,
like so;

.\" $Id$
.\"

If the immediately preceding comment is a @(#) format ID marker than the
the $Id$ will line up underneath it with no intervening blank lines.
Otherwise, an additional blank line is inserted.

Approved by: bde

Use err(3). Add usage(). Remove progname.

This commit was generated by cvs2svn to compensate for changes in r1590,
which included commits to RCS files with non-trunk default branches.

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