Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

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

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

Switch to our preferred license.

Approved by: Dirk-Willem Van Gulik <dirkx@webweaving.org>

Use the newly brought %U macro.

Use our standard section 4 SYNOPSIS.

MFC after: 3 days

Fixed the misplaced $FreeBSD$.

- Add a HARDWARE section which lists supported devices based on the
Hardware Notes.
- Update some text to fit better now that this driver support
multiple different device types.

MFC after: 3 days

Correct spelling of "TracyChapman".

Delete MAKEDEV references

PR: 50284
Submitted by: Sergey A.Osokin <osa@FreeBSD.org.ru>

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: removed HISTORY info from the .Os call.

Prepare for mdoc(7)NG.

mdoc(7) police: do not split author names in the AUTHORS section.

Remove some trailing zeroes.

Clean up mdoc:

* Apply sentence breaking style.
* Add missing periods to the ends of sentences.
* Replace bogus use of Nm with Em and Pa as appropriate.
* Rename the EXAMPLE section to EXAMPLES.
* Tidy up wording and fix spelling errors.
* Use an Rs -> Re block instead of Xr for the SourceForge URL.
* Correct the SourceForge URL.
* Improve the compilation instructions for the SourceForge utilities.

Approved by: n_hibma

Please welcome the URio driver. Written by
Iwasa Kazmi <kzmi\@ca2.so-net.ne.jp>