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Robert S
Lv 4
Robert S asked in Computers & InternetProgramming & Design · 5 years ago

Why is ≈ not a valid character entity for XHTML 1.1?

On a lark, I decided to put this one webpage I haven't yet published through the W3 validator. I closed one tag I had inadvertently left open and went from 380 errors to just two, one of them being ≈ is supposedly an undefined character entity. I've tried the webpage on a few different Web browsers and they all show the symbol correctly. What's going on here?

1 Answer

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  • G. Whilikers
    Lv 7
    5 years ago

    XML doesn't use them. Only <, >, &, ' and " are needed to stand in for special symbols that might get eaten during processing.

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