MicroXML, the minimal XML subset, explained for developers: what's removed, the data model, parsing it, and when a subset beats full XML or JSON.
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What Microx ML Does
A developer resource for MicroXML, the minimal subset of XML: the spec in plain language, why it exists, and how to parse and generate it.
What MicroXML keeps (elements, attributes, text) and everything it drops.
The complexity of full XML, from DTDs to entity expansion, and the case for less.
The MicroXML grammar is small enough to hand-roll; a walkthrough.
How dropping DTDs and external entities eliminates classic XML attacks like XXE.
When markup with attributes beats key-value trees, and when it doesn't.
Libraries and converters that handle the MicroXML data model.
How Microx ML Works
The whole grammar fits on a page; start with what's removed.
Run a sample document through a MicroXML parser or write your own.
Use the subset for configs and documents where full XML is overkill.
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DTDs, processing instructions, CDATA sections, namespaces, and most declarations. A document is just elements, attributes, and character data.
Every MicroXML document is well-formed XML, so existing XML parsers can read it. The reverse isn't true: full XML features don't survive the subset.
For data records, JSON usually wins. For marked-up text, where content and annotations mix, element markup remains a better fit.
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