Yes, it’s good if you look at the CKeditor page.
I googled and search on the Markdown and MediaWiki extension pages, where WYSIWYG and similar is not mentioned. I’d add a section / link to the table there as well, however this should probably be done consistently for all wiki syntax Extensions. Is there some kind of “default banner” which could somehow be included there, maybe as a Macro? Or is it possible to include blocks of text / sections from another page in a page? (I know that’s possible in some other wiki-like systems.)
Then I’d try to do something like this…