Validate illegal characters#416
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SteveLLamb merged 2 commits intomainfrom Apr 28, 2026
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Source-based check flags literal occurrences of word-processor substitutes (curly quotes, en/em dashes, ellipsis, NBSP, soft and non-breaking hyphens, copyright and registered signs) in the document source. Numeric and named character references are recognized as deliberate and are not flagged. Browser logger entries link to the offending element via correlated source/DOM walks. Adds reference table in sec-special-characters and a note in sec-formulae recommending the U+2212 minus sign in math expressions.
SteveLLamb
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raymondyyeungDBL
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Apr 28, 2026
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Source-based check flags literal occurrences of word-processor substitutes (curly quotes, en/em dashes, ellipsis, NBSP, soft and non-breaking hyphens, copyright and registered signs) in the document source. Numeric and named character references are recognized as deliberate and are not flagged.
Browser logger entries link to the offending element via correlated source/DOM walks. Adds reference table in sec-special-characters and a note in sec-formulae recommending the U+2212 minus sign in math expressions.
closes #414