I had time to look more closely at this – definitely a bug. Fixed here:
From: Bryon Czoch [mailto:email@example.com]
Sent: Wednesday, March 06, 2013 6:32 PM
Subject: [VuFind-Tech] Trouble with VuFind/src/VuFind/Config/SearchSpecsReader.php ??
Any idea why I would be getting this error?
Could this have anything to do with creating our own Chicago module?