bug#27270: display-raw-bytes-as-hex generates ambiguous output for Emacs strings

[Lars Ingebrigtsen]

Paul Eggert <eggert@cs.ucla.edu> writes:

>> Your last suggestion was to output
>> (format "%cf" 129)
>> => "\x81\x66"
>> I think?  Which is changing the data output.
>
> Oh, right. Scratch that. Let's just use "\uXXXX" if multibyte, "\OOO"
> (octal) if unibyte. (This is only when the character precedes a hex
> digit.) That's simpler anyway.

That will also change the output, which display-raw-bytes-as-hex is not
supposed to do.

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