bug#17239: 24.3.50; competion error (cl-assertion-failed (string-prefix-p uprefix ustring))

[Nicolas Richard <theonewiththeevillook@yahoo.fr>]

Le 05/05/2014 03:54, Stefan Monnier a écrit :
>> C-x C-f
>> / C-b TAB ;; hit tab between the last two slashes.
>> => error.
> 
>> Debugger entered--Lisp error: (cl-assertion-failed (string-prefix-p uprefix ustring))
> 
> Thanks.  I installed the patch below which fixes the most glaring
> problem (the assertion failure).

Thanks, the assertion failure is indeed gone.

> The resulting behavior is not great, but it's not really clear what we
> should do anyway.

As a point of comparison, when I do
C-x C-f ~ / C-b TAB
the behaviour of emacs depends on the current content of the minibuffer
(which is default-directory by default I guess).

I spotted these behaviours ("=>" means "hit C-b TAB and the minibuffer
becomes") :

~/~/     => ~/~/ [Complete, but not unique]
~/foo/~/ => ~/
/foo/~/  => /foo/~/ [Complete, but not unique]

(not hitting "C-b" doesn't change these results).

-- 
Nico.