K 10
svn:author
V 3
sam
K 8
svn:date
V 27
2006-02-20T17:17:00.000000Z
K 7
svn:log
V 209
treat setting the optional ie to a zero-length datum to mean "delete
the ie"; this helps drivers that (wrongly) check ic_opt_ie against NULL
when making decisions

Reviewed by:	luigi, avatar
MFC after:	3 days

END