Lots of pages on mediawiki.org are pretty much uneditable because they're strewn with <translate> spanning multiple paragraphs that make VisualEditor completely unusable and the source editor very difficult to use.
I'm trying to update documentation, and I'm seriously thinking of regexing out all the <translate> stuff so I can actually edit the wiki pages.
This is probably not a good thing.
https://phabricator.wikimedia.org/T131516
-- brion