Did u try to enter with a backspace + ?
Also, u can try to use an LDAP browser (ex: Apache LDAp browser) to edit the record manually or if you have some LDAP knoledge u can try to edit the record on ldap from command line.
Yes I had tried escaping the character but didn’t have success. I’m happy with my alternative config for now – it’s easily editable without unnecessary complexities.
Longer term I’ll replace the master with something more….linux