The two-column edit conflict tool has produced this bugous edit:
Here, things like <, > or & has been replaced by the corresponding HTML-entities.
All text that I have entered (and accepted in EC resolution) is fine.
Text that has been entered by the other user (and which I have accepted in EC resolution) is not fine.
The unchanged text is not fine.
See also: https://www.mediawiki.org/wiki/Topic:Vk8kt6ajyfkwhi79