Developer credits
Git commits in Moodle 2.5.0 by Jason Platts
commit 17ff23d7436f8546f00b46fc5d530d522af0eff5 Author: Jason Platts <j.platts@open.ac.uk> Date: Tue, 26 Mar 2013 23:11:20 +0800 Tag: v2.5.0-rc1 MDL-37942 Images with non-alphanumeric chars in file name won't export