<div style="display: flex; flex-wrap: wrap; white-space: pre-wrap; align-items: center; "><img height="20" width="20" style="border-radius:50%; margin-right: 4px;" decoding="async" src="https://avatars.githubusercontent.com/u/36066?s=20&v=4" /><strong>pablobm</strong> left a comment <a href="https://github.com/openstreetmap/openstreetmap-website/issues/6419#issuecomment-3516649638">(openstreetmap/openstreetmap-website#6419)</a></div>
<p dir="auto">Oof, looks like MediaWiki (and by extension Wikidata, Wikipedia, etc) are quite liberal in what they accept as user names. My PHP is very rusty, but this function appears to be relevant: <a href="https://github.com/wikimedia/mediawiki/blob/fedec340e5c5841bf2916dce57e7249bf2d5f1e4/includes/Title/Title.php#L423">https://github.com/wikimedia/mediawiki/blob/fedec340e5c5841bf2916dce57e7249bf2d5f1e4/includes/Title/Title.php#L423</a></p>

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