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

use .Mt to mark up email addresses consistently (part6)

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

Bluetooth SIG is being difficult and keep moving specification
documents away from being public accessible. Replace link to
the Bluetooth specification document with the document name.

Pointed out by: SoftLover < slserg at uic dot tula dot ru >
MFC after: 3 days

Insert zero-width break points to fix warnigns in nroff output,
and reduce whitespace stretching in groff PS output.

groff-foo by: ru

Revise markup.

Add bluetooth.device.conf(5) man page

MFC after: 3 days