Developer credits
Git commits in Moodle 2.9.x by Joseph Rezeau
commit 4627726954c8665bb2a986e5cedb00adcd940b51 Author: Joseph Rezeau <moodle@rezeau.org> Date: Sat, 06 Dec 2014 00:36:41 +0800 Tag: v2.9.0-beta MDL-36673 mod_lesson: slideshow mode not working