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Sorry, I atteched the other VI (It depends on Unicode library). The original was from "Unicode problems.zip" from this thread: LabVIEW Unicode Programming Tools
I think, it is because those characters (U+FF01–FF5E) have a constant widht:
Range U+FF01–FF5E reproduces the characters of ASCII 21 to 7E as fullwidth forms, that is, a fixed width form used in CJK computing. This is useful for typesetting Latin characters in a CJK environment.