Hi Uwe - I came across your post and I wondered if you ever got an answer to this question. I need to make the Table of Contents Read Only. From the documents on Moodle.org I see you could set Flags for a page and one was to make it Read Only, I am in Moodle 2.3 and I cannot find that option in the current Wiki features. I was just wondering if you found the answer.
Thank You - Nancy K.