WebKit export of https://bugs.webkit.org/show_bug.cgi?id=241419#58331
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WebKit export of https://bugs.webkit.org/show_bug.cgi?id=241419#58331
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annevk
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This looks okay to me. I guess we should wait with landing this until we have agreement on the specification change.
smaug----
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Mar 8, 2026
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Mar 9, 2026
This change causes the “validate and extract” algorithm to stop calling “strictly split” and instead split on the first colon only. Given the qualified name “foo:bar:baz”, that produces the local name “bar:baz”. Otherwise, without this change, using “strictly split” produces the prefix “foo” and local name “bar" — discarding the “:baz” part. Tests: web-platform-tests/wpt#58331. Additional context: WICG/sanitizer-api#373. Fixes #1453.
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See whatwg/dom#1455