Developer credits
Git commits in Moodle 3.7.x by Stefan Erlachner
commit b1f2b4fdfc1696e97b04cc2cbc4d95b2b51d4bc2 Author: Stefan Erlachner <stefan.erlachner@uni-graz.at> Date: Mon, 17 Dec 2018 18:14:15 +0800 Tag: v3.7.0-beta MDL-64414 lib/evalmath: add AND, OR functions to evalmath