Re: emacs slow on dired renaming

[Robert Marshall]

On Sat, Apr 05 2014, Stefan Monnier <monnier@iro.umontreal.ca> wrote:

>>   (defun dired-in-this-tree (file dir)
>>     ;;"Is FILE part of the directory tree starting at DIR?"
>>     (let (case-fold-search)
>>       (string-match-p (concat "^" (regexp-quote dir)) file)))
>
> BTW, this is string-prefix-p, no?
>

Not in my copy of dired-in-this-tree where it is the same as that quoted
by Eli

Robert