When editing source code that contains instances of ’ (U+2019 RIGHT SINGLE QUOTATION MARK ), all edits made by cursor, even to unrelated parts of the code, replace all instances with ' (U+0027 APOSTROPHE). (See Apostrophe - Wikipedia ) This makes cursor unusable on such files, since it creates hundr…

Unicode apostrophes get replaced with ASCII apostophes in all edits

jeffbowen March 22, 2025, 5:27am 2

Check out Inability to work with files with smart/curly quotes/apostrophes. Basically Anthropic’s models seem to be incapable of outputting smart quotes/apostrophes, confirmed by Anthropic here.

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