Steps to reproduce: Open https://codepen.io/SaschaNaz/pen/zYGKvOQ Expected: Serializing should result in the equivalent of nbsp code point in the output. See Chrome and Firefox, which replace the for the correct code point (otherwise, exported XML becomes invalid). Actual: The serializer spits out from Safari: <p xmlns="http://www.w3.org/1999/xhtml" id="nbsp"> </p>
<rdar://problem/59619312>
Lates results from all browsers: *** Safari 15.6 on macOS 12.5 *** <p xmlns="http://www.w3.org/1999/xhtml" id="nbsp"> </p> *** Firefox Nightly 150 *** <p xmlns="http://www.w3.org/1999/xhtml" id="nbsp"> </p> *** Chrome Canary 106 *** <p xmlns="http://www.w3.org/1999/xhtml" id="nbsp"> </p> _______ All browsers are rendering same so it is something fixed along the way, I am going to mark this as "RESOLVED CONFIGURATION CHANGED". Thanks! Please reopen, if it is not believed to be fixed. Thanks!