Developer credits
Git commits in Moodle 3.2.x by David Bogner
commit 7c519588f106477ca53053ad4bb12b3bf576689c Author: David Bogner <davidbogner@gmail.com> Date: Tue, 13 Dec 2016 22:04:13 +0800 Tag: v3.2.2 MDL-57374 editor: Pasting plain text in Atto removes all styles/classes