Click "New file". Check under the menu "Encoding": the value should be "Encode in UTF-8"; set it if it's not. Paste your text. From Encoding menu, now click "Encode in ANSI" and check again your text. You should easily find the wrong character (s) edited May 21, 2019 at 16:02. answered May 21, 2019 at 12:50. More @Wikipedia
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