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On 11/04/2025 11:32, Roger L Costello costello@xxxxxxxxx wrote:
XML has pointers, e.g., The ref attribute must be defined as type IDREF (or IDREFS) and the id attribute must be defined as type ID (or given as xml:id instead). Then it is a pointer and target; otherwise it's just data, as you say. > XML-aware tools, however, treat it as a pointer to the <Author> > element with a matching id value. Only if correctly defined. HTML has pointers, e.g., That's a convention. In older HTML DTDs, the id was indeed defined as type ID, but href was never an IDREF. So in XML terms, it's just data. I conclude that, in XML and HTML, a pointer is not a pointer at all. No, when properly defined, pointers and targets work perfectly. Isn't that weird? No, I think it's normal for a language to have rules; if you use the rules, it works; if you don't use the rules, it doesn't work. Peter
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