XML schema (XSD) was and is still a great idea. Change my mind.
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XSD relies on namespaces, which were added to XML too late, it mixes record-style structure definition into a markup language universe, and it led to the abominable infoset concept. I much preferred RNG or Schematron.
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The horrible code generation approach led people to believe concepts applicable to local method calls could be transferred to network programming, and thus gave the world the horror that was WSDL
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Replying to @stilkov @rotnroll666
Having to use XSD to support backwards-compatible services, or trying to build modular components, or dealing with namespace names in attribute values, it all sucked

Apr 18, 2022 · 5:59 AM UTC

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Replying to @stilkov @rotnroll666
XSD is useful if you want to use XML for things it is not well-suited for.
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