K 10
svn:author
V 2
jh
K 8
svn:date
V 27
2010-03-20T16:16:13.830156Z
K 7
svn:log
V 633
Escape characters unsafe for XML output in GEOM class, instance and
provider names.

- Characters in range 0x01-0x1f except '\t', '\n', and '\r' are replaced
  with '?'. Those characters are disallowed in XML.
- '&', '<', '>', '\'', '"' and characters in range 0x7f-0xff are
  replaced with XML numeric character reference.

If the kern.geom.confxml sysctl provides invalid XML, libgeom
geom_xml2tree() fails and utilities using it do not work. Unsafe
characters are common in msdosfs and cd9660 labels.

PR:		kern/104389
Submitted by:	Doug Steinwand (original version)
Reviewed by:	pjd
Discussed on:	freebsd-geom
MFC after:	3 weeks

END