Re: master 28bf387: Tweak Fdirectory_append for efficiency

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

> You should indeed be able to do that, that's my case #2.  The case
> that doesn't have to work and doesn't make sense is this
>
>   (multibyte-string-p (encode-coding-string "bár" 'latin-1))
>   => nil
>
>   (multibyte-string-p "/tmp/bár")
>   => t
>
>   (directory-append "/tmp/bár" (encode-coding-string "bár" 'latin-1))
>   => "/tmp/b\303\241r/b\341r"

The function isn't really concerned with charsets -- that's an
orthogonal issue.

The user may well have a unibyte string that contains non-ASCII octets
(note -- not characters), and I see no reason why a string concatenating
function should refuse to handle those.  It's up to the caller.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no