bug#43961: read carefully: dired-file-name-at-point vs dired-filename-at-point

[Boruch Baum <boruch_baum@gmx.com>]

On 2020-10-13 06:54, Lars Ingebrigtsen wrote:
> Boruch Baum <boruch_baum@gmx.com> writes:
>
> > They return different values. One returns an expanded (canonical)
> > path-name, and the other an abbreviated one.
>
> Why not just have one call the other, and wrap the results in
> abbreviate-file-name?

You could, but you wouldn't be saving anything since the inner function
would still need to perform the expansion, so for the abbreviated
function you end up in effect with an inefficient (abbrev (expand file))
instead of a choice between (abbrev file) or (expand file).

Also, much of the change ends up being defaliases, docstrings and
deprecation notices, so its more clearly presented without nesting
functions.

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