- https://www.mediawiki.org/wiki/Learning_JavaScript?action=edit
- Focus on a row in the table in section "Basic". For example, the one for "Khan Academy". Note that there is a "template" icon in the first row of the table. It doesn't seem to have any label and is not editable. Ignore for now.
- On the selected row, you can change text in table cells, and also move the table row up and down. Do so.
- Try to save the page
Actual:
"Could not start the review because your revision matches the latest version of this page."
The changes were ignored. Which makes sense as they should not have been possible.