Re: `decode-coding-string' question

[Paul Pogonyshev <pogonyshev@gmx.net>]

Eli Zaretskii wrote:
> > To know what character is encoded by this C sequence, I first translate
> > strings "\xc2" and "\xa9" to the appropriate (undecoded!) characters.
> > The resulting string of length 2 is encoded in UTF-8 and I decode it
> > to receive the copyright character or whatever.
> 
> Why not use `(decode-coding-string "\xc2\xa9" 'utf-8)' right away?  It
> gives me the right character directly.

Because you underquoted the string.  It is actually `(decode-coding-string
"\\xc2\\xa9" 'utf-8)' and does nothing...

> Btw, why don't we have a feature in cc-mode to transparently decode
> and encode such strings when the source file is read/written?  If
> detecting the encoding is an issue, we could for starters ask that
> users state that in some file-local variable.

Given that it is not easy to decode strings (and quite slow)...

Paul

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