Developer credits
Git commits in Moodle 3.7.3 by Tobias Reischmann
commit 39a390f1f5155bc4feda5019afd9dd56ce1eb471 Author: Tobias Reischmann <tobias.reischmann@wi.uni-muenster.de> Date: Wed, 28 Aug 2019 21:12:40 +0800 Tag: v3.7.3 MDL-66543 forms: Make (hard) frozen textareas readonly (or disabled)