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Lispers seemingly want to see everything as s-expr ;)

In the case of SGML-heritage markup like HTML, often enough I've seen them fail to understand that it's not so much about arbitrarily nested element structures but about content models where an element contains a sub-element sequence specified by a regular expression (aka regular tree languages). This model information is then used to infer omitted tags, etc. It's also quite different from JSON.



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