Developer credits
Git commits in Moodle 2.7.3 by Daniel Thies
commit 3c2b67f5d483edaec535889dd4e5fb40e06e7c2f Author: Daniel Thies <dthies@ccal.edu> Date: Wed, 05 Nov 2014 23:34:20 +0800 Tag: v2.7.3 MDL-47943 editor_atto: Save selection on mouseleave for Chrome