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Popups broken for pages with percent sign in title
Open, Needs TriagePublic

Description

Hover over a link to a page with a percent sign in the title e.g. https://en.wikipedia.org/wiki/99%25_Invisible

Instead of a preview of the page content, an error is shown

{"batchcomplete":true,"query":{"pages":[{"title":"99%25_Invisible","invalidreason":"The requested page title contains invalid characters: \"%25\".","invalid":true}]},"limits":{"images":5000,"categories":5000}}

The links in the action menu are also broken

Screenshot 2022-06-22 at 23.57.40.png (148×454 px, 28 KB)