gumbo: update adjusted foreign attributes #2842
Merged
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What problem is this PR intended to solve?
Partial fix for #2841
A test recently added upstream showed that the list of foreign attributes gumbo is adjusting needed to be updated. Specifically:
xlink:arcrole
xml:base
(see https://html.spec.whatwg.org/multipage/parsing.html#adjust-foreign-attributes)
I've also pinned (for now) to my branch of html5lib-tests, and improved some of the error messages from the tree construction test wrapper.
Have you included adequate test coverage?
This PR is all about the tests! 🎉
Does this change affect the behavior of either the C or the Java implementations?
The HTML5/gumbo functionality changed, but this does not exist in the Java implementation.