One further reason that may speak against this: Just by looking at some ls output it's now ambiguous, whether 'foo bar' is the quoted version of a file named “foo bar” or whether it's an unquoted version of a file named “'foo bar'”.
As I've said, by just by looking at some output (or e.g. copy and pasted stuff). I *do* notice that ls (with quoting) will actually quote a file “'foo bar'” to: “''\''foo bar'\'''”... which is btw a bit strange form of quoting AFAIU, “\''foo bar'\'” would have been enough. Cheers, Chris.
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