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Git commits in Moodle 2.3.8 by Kyle Temkin
commit 3553982d6d2d7866b13efe20890bb62c2f979925 Author: Kyle Temkin <ktemkin@binghamton.edu> Date: Fri, 21 Jun 2013 15:28:59 +0800 Tag: v2.3.8 MDL-40264 fix essay handling of zero-string response