parent being locked, but rather plays some hide and seek (does not lock if
dvp == vp).
Also add a BUGS section noting that this is undesired behaviour.
- Sort xrefs
- FreeBSD.ORG -> FreeBSD.org
- Be consistent with section names as outlined in mdoc(7).
- Other misc mdoc cleanup.
PR: doc/13144
Submitted by: Alexey M. Zelkin <phantom@cris.net>