bug#20116: 24.4.91; [PATCH]Don't use iswitchb in erc.

[Thierry Volpiatto]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> Using completing-read allow ido user to use ido, helm users helm etc...
>
> Indeed, thanks.
>
>> +  (switch-to-buffer
>> +   (completing-read "Switch-to: "
>> +                    (mapcar 'buffer-name
>> +                            (erc-buffer-list
>> +                             nil
>> +                             (when arg erc-server-process)))
>> +                    nil t nil nil
>> +                    (when (boundp 'erc-modified-channels-alist)
>> +                      (buffer-name (caar (last 
>> erc-modified-channels-alist)))))))  
>
> Compared to `C-x b' this loses the ability to obey the
> completion-category-overrides setting for buffers (i.e. it won't
> default to substring matches).  Also it won't obey
> read-buffer-completion-ignore-case.
>
> I suggest you try and use `read-buffer' instead of `completing-read'.
> IIUC this will require changes at the C level to add a `predicate'
> argument to `read-buffer'.  And I see this will then have to break
> backward compatibility since read-buffer-function will end up with
> a new argument.

IOW you suggest using something that doesn't exists yet, sorry, but this
is out of my scope, well you have my patch "A titre informatif" in case
somebody wants to make this change (I personally don't use erc, but I
have users that do use it).

Thanks.

-- 
Thierry
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