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Git commits in Moodle 2.5.2 by Nitzan Bar
commit 9dccff7793524e3503e7f520b2a91143a6d973f0 Author: Nitzan Bar <nitzanbar@macam.ac.il> Date: Thu, 15 Aug 2013 21:27:01 +0800 Tag: v2.5.2 MDL-41259 when duplicate course shortname exists an exception is thrown and sync is aborted