Michael Winterberg be48f4d657 Avoid unwanted sign extensions from MSVC in is_utf8. ... Microsoft's constexpr evaluator treats the type of micro[0] and micro[1] as plain char, and so sign extends before comparing them to ints. The normal compiler, including the optimizer, does not fail in this way, so this is merely a "future proof" change in case someone uses is_utf8() in a constant expression.		2021-05-19 16:09:49 -07:00
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fmt	Avoid unwanted sign extensions from MSVC in is_utf8.	2021-05-19 16:09:49 -07:00