man: use https URLs for www.NetBSD.org

branches: 1.30.8;
Fix the include file name in the synopsis.

While here, drop the device path from synopsis,
its place is in the files section.

Clarify initial state some more.

Mention that the initial current octave is 4. Drop filler verbiage
that octaves are "from C to B".

Clarify that whitespace is only ignored between groups.

Actually everything that doesn't start a group is ignored.
Whitespace is not allowed inside groups.

BUGS: note that meaning of sustain dots differs from the standard notation.
From FreeBSD.

Middle C is in O2 (from RTFS).

Add more markup. Edit for clarity.

Fix off by one in the range of note values (in one instance).
From xordspar0 at gmail.

Update the speaker man page, mentioning wsbell and new formatting for
ioctls.

Ok pgoyette@.

Remove references to the PCPPISPEAKER and VAUDIOSPEAKER options - they
don't actually exist.

XXX This man page will need a major overhaul. But first we need to get
XXX man pages for wsbell(4) and wsbell(9) (and maybe other updates, too)

New sentence, new line. Punctuation fixes.
Get rid of unnecessary \*[Lt], \*[Gt].

Revert to previous as what was the HIRES_BELL option is now the only
choice.

Suggested by jmcneill@.

Document the HIRES_BELL option.

Fix xrefs, sort.

branches: 1.17.2;
Add a synthesized pc beeper and keyboard bell for platforms with an audio
device.

branches: 1.16.8;
Merge riastradh-drm2 to HEAD.

Use Mt for email addresses.

branches: 1.14.2; 1.14.8; 1.14.14; 1.14.18;
Use .In instead of .Aq Pa for header files.

Fix markup.

branches: 1.12.42;
Use
.In header.h
instead of
.Fd #include \*[Lt]header.h\*[Gt]
Much easier to read and write, and supported by groff for ages.
Okayed by ross.

The correct capitalisation of 'NetBSD.org' is (you
guessed it) 'NetBSD.org'.

some mdoc fixes.

Some more markup.

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

Use mdoc macros instead of man ones.

Sort sections, sort SEE ALSO, paragraph and misc. fixes.

Boring whitespace fixes.

Use standard section headers; uppercase .Sh argument; remove quotes in
.Sh arguments.

remove extra period in SEE ALL section

sweep of my licenses (userland files w/o only my copyright) for
consistency. (no functional changes)

fix up NetBSD RCS Ids to match the standard, and the leading comment as
to match as well. No functional changes.

branches: 1.1.2;
speaker(4) is MI