Improve markup for better PostScript output.
Make sure quotes are right and copy-pastable even in UTF-8 output.

Use a date that is actually a real date.

Bump date for previous.

Fix --error-output to be more like GNU m4. It's a long version of -o.

branches: 1.27.18;
Fix some macros. Sort stuff some more.

Update documentation.

Better document eval, mentioning optional second and third arguments.
Requested by martin.
Bump date.

Use Mt for email addresses.

branches: 1.23.2; 1.23.4;
Remove unnecessary Bk/Ek pairs from SYNOPSIS.
No effective change except where I used the opportunity to sort options
and/or option descriptions.

branches: 1.22.6;
Improve/fix/deuglify markup.

Fix markup.

resolve conflicts.

Don't break scope for .Oo/.Oc to workaround ancient argument limit.

branches: 1.18.42;
End sentence with a dot. From jmc@openbsd.

Add Ns where needed.

Replace Ql by Sq and Dq where appropriate.

.Nm does not need a dummy argument ("") before punctuation or
for correct formatting of the SYNOPSIS any longer.

Generate <>& symbolically. I'm avoiding .../dist/... directories for now.

Whitespace cleanup.

Document -o.

Pull in various changes from OpenBSD, most from Marc Espie, including:
* Provide some GNUisms as extensions.
* Provide dynamically growable string space.
* Make define(defn(foo)) work correctly for builtins.
(The current version is supposed to be capable of satisfying autoconf.)

All still relevant NetBSD changes have been preserved in this version, and
formatting and style fixes have been applied in various places.

Thanks to Masao Uebayashi <uebayasi@soum.co.jp> for pointing this out.

Uppercase Dt argument, correct AUTHORS section name.

Implement the very useful `-P' option from GNU's m4 (causes all builtin
macros to be prefixed with the string `m4_').

fix richard o'keefe's email address (will have to change for his new job, but the one i've used is at least valid...)

WARNSify, fix .Nm usage, getopt returns -1 not EOF, deprecate register

fix typo reported by Saitoh Masanobu in PR misc/3214.
also fixed .Nm usage, other typos

RCS ID police

Fix spelling error (Michael K. Sanders; PR #1617)

latest m4 from ozan. now does the right thing w/respect to sendmail

Add RCS indentifiers.

branches: 1.1.1;
baseline of new version of m4 supplied by Ozan Yigit, original author
of the broken m4 we had. This is his stuff virgin + our Makefile.