Text Cleaner
Text pasted out of a document arrives full of things you did not ask for: curly quotes, long dashes, invisible spacing characters and the odd mangled apostrophe. This finds them and takes them out.
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What to fix
What it found
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Anything invisible in there
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Zero width characters and unusual spaces survive a copy and paste and then break a search or a comparison later. They are worth removing even when they look harmless.