0 (zero) is a valid depth, so allow it via defined()
authormiker <miker@dcc99617-32d9-48b4-a31d-7c20da2025e4>
Wed, 17 Nov 2010 16:58:23 +0000 (16:58 +0000)
committermiker <miker@dcc99617-32d9-48b4-a31d-7c20da2025e4>
Wed, 17 Nov 2010 16:58:23 +0000 (16:58 +0000)
commitf2ae0a6c78edd0329bd8c834d075d56221c65692
treedd0252d3cd7b35cabef728dee7b6046cf2ec3939
parentc6d5d42eb81e21c29ed33fe55aac3de1acc2f015
0 (zero) is a valid depth, so allow it via defined()

git-svn-id: svn://svn.open-ils.org/ILS/branches/rel_2_0@18769 dcc99617-32d9-48b4-a31d-7c20da2025e4
Open-ILS/src/perlmods/OpenILS/Application/Storage/Publisher/metabib.pm