Add string_or_undef() utility function. Used when setting addinfo in
authorMike Taylor <mike@indexdata.com>
Fri, 10 Aug 2007 00:00:14 +0000 (00:00 +0000)
committerMike Taylor <mike@indexdata.com>
Fri, 10 Aug 2007 00:00:14 +0000 (00:00 +0000)
search handler to avoid "Use of uninitialized value in subroutine
entry" warnings from Perl.  Yet to be plumbed into the other handlers
as I don't yet have a way of testing them.


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