Re: [PATCH] Add variable wl-biff-check-idle-delay, because with wl-biff-use-idle-timer Wanderlust checks mail only once

> > > I wrote the patch to fix the below two problems.  But because I don't
> > > use wl-biff and it is very unstable in my environment, the patch is
> > > not much tested.
> > 
> > Thank you! I will try the patch and report any problems.
> 
> The patch seems to work well after adding an "(unwind-protect ...)":
> 
>   (defun wl-biff-event-handler ()
>     (unwind-protect
>         (condition-case signal
>             (wl-biff-check-folders)
>           ;; Do redisplay right now, if no input pending.
>           (sit-for 0)
>           (error
>            (message "wl-biff: %s (%s)" (car signal) (cdr signal))))
>       (progn
>         (wl-biff-stop)
>         (wl-biff-start)
>         (let ((idle (and wl-biff-use-idle-timer
>                          ;; Available on Emacs 22 or later.
>                          (fboundp 'current-idle-time)
>                          (current-idle-time))))
>           (when idle
>             ;; Run idle timer for the case Emacs keeps idle.
>             (put 'wl-biff 'timers
>                  (cons (run-with-idle-timer
>                         (+ wl-biff-check-interval (float-time idle))
>                         nil 'wl-biff-event-handler)
>                        (get 'wl-biff 'timers))))))
>       ))))

I can't test it much.  But it seems not to have bad effects, so I
committed it into the repository with minor fix.
Please test.

-- 
Kazuhiro Ito