Rewrite - #88
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These can be used directly from Infra
This does not solve all potential issues: if there it both a double and a single quote in the ID, there is no valid representation. However, this change allows round-tripping parsable XML, and matches Firefox's behavior. Fixes w3c#71.
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In servo#586, it turned out that a targeted change to preserve xmlns attributes exposed issues in the XML serializer that caused test failures in Servo. This change brings the XML serializer in line with the specification and mostly with other browsers. The XML serializer needs to keep track of state related to namespaces and their prefixes. Implementing this correctly is not workable using a unified trait between HTML and XML. This is a breaking change: to serialize to XML, users now need to use the new xml5ever::serialize::XmlSerializer. This implements the DOM Parsing and Serialization specification including the changes from <w3c/DOM-Parsing#88>. Fixes servo#569. Co-authored-by: Josh Matthews <josh@joshmatthews.net> Co-authored-by: Devon Govett <devongovett@gmail.com> Signed-off-by: Ms2ger <Ms2ger@gmail.com>
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Aug 24, 2026
In servo#586, it turned out that a targeted change to preserve xmlns attributes exposed issues in the XML serializer that caused test failures in Servo. This change brings the XML serializer in line with the specification and mostly with other browsers. The XML serializer needs to keep track of state related to namespaces and their prefixes. Implementing this correctly is not workable using a unified trait between HTML and XML. This is a breaking change: to serialize to XML, users now need to use the new xml5ever::serialize::XmlSerializer. This implements the DOM Parsing and Serialization specification including the changes from <w3c/DOM-Parsing#88>. Fixes servo#569. Co-authored-by: Josh Matthews <josh@joshmatthews.net> Co-authored-by: Devon Govett <devongovett@gmail.com> Signed-off-by: Ms2ger <Ms2ger@gmail.com>
Ms2ger
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Aug 25, 2026
In servo#586, it turned out that a targeted change to preserve xmlns attributes exposed issues in the XML serializer that caused test failures in Servo. This change brings the XML serializer in line with the specification and mostly with other browsers. The XML serializer needs to keep track of state related to namespaces and their prefixes. Implementing this correctly is not workable using a unified trait between HTML and XML. This is a breaking change: to serialize to XML, users now need to use the new xml5ever::serialize::XmlSerializer. This implements the DOM Parsing and Serialization specification including the changes from <w3c/DOM-Parsing#88>. Fixes servo#569. Co-authored-by: Josh Matthews <josh@joshmatthews.net> Co-authored-by: Devon Govett <devongovett@gmail.com> Signed-off-by: Ms2ger <Ms2ger@gmail.com>
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My vacation project got a bit out of hand. This contains mostly editorial changes to improve cross-referencing, clarify prose, and make the variable tracking in respec work. It also fixes a few easy bugs at the end. All commits should be self-contained.
I can't commit to taking over maintenance, but this should be helpful in case anyone would step up to do so.