<msgnum>The <msgnum> element contains the number of a message produced by
an application or program. This element is part of the DITA software domain, a special set of
DITA elements designed to document software tasks, concepts and reference
information.
See appendix for information about this element in OASIS document type shells.
+ topic/keyword sw-d/msgnum
<p>A server log entry of <msgnum>I:0</msgnum> is equivalent to the
text message, <msgph>informational: successful</msgph>.</p>The following attributes
are available on this element: Universal attribute group,
outputclass, and @keyref.