bug#33564: Incorrect path canonicalisation

[Andreas Schwab]

On Dez 01 2018, Mattias Andrée <maandree@kth.se> wrote:

> On Sat, 1 Dec 2018 21:27:27 +0100
> Andreas Schwab <schwab@linux-m68k.org> wrote:
>
>> On Dez 01 2018, Mattias Andrée <maandree@kth.se> wrote:
>> 
>> > Emacs 26.1 removes ..'s incorrectly from file names.
>> > Emacs removes the directory in front the .. rather than
>> > getting its parent directory.  
>> 
>> This is deliberate.  Emacs never consults the filesystem when
>> canonicalizing filenames, as documented in expand-file-name.  This is
>> consistent with the logical view of the filesystem, and how the shell
>> builtin cd handles it.
>
> What is the rationale for this?

Canonicalizing is a pure textual operation.

> No other program Bash and Emacs behave this way, including the
> coreutils.

This is not true, as I explained above.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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