bug 3439: allow blank HTML-parsed URIs to be included in the list of URIs.
bug 3439: allow blank HTML-parsed URIs to be included in the list of URIs.

git-svn-id: e9fe9b84e32fc5e57b7d09c40cd78b14ea28ed71@56773 13f79535-47bb-0310-9956-ffa450edef68

apache/spamassassin,apache/spamassassin,apache/spamassassin,apache/spamassassin,apache/spamassassin