Re: Emacs Lisp's future

[Eli Zaretskii]

> Date: Tue, 07 Oct 2014 20:47:04 -0400
> From: Richard Stallman <address@hidden>
> CC: address@hidden, address@hidden, address@hidden,
>       address@hidden, address@hidden, address@hidden,
>       address@hidden
> 
>     UTF-8 is defined as not containing "overlong" sequences, so Emacs
>     decodes them into two raw-byte indicating characters, one indicating
>     0xC0, one indicating 0xA2.  When encoding, it reassembles them into
>     0xC0 0xA2.
> 
> In that case, it might be reasonable to ask the user whether to accept
> a UTF-8 file decoding that contains any raw-byte characters.
> 
> What do people think of this?

We do ask, but only at buffer save time.  Asking questions when
visiting a file is perceived as a nuisance, because our heuristics
that detect these cases are imperfect and tend to have high enough
false positive rate that annoys people.