emacspeak and emacs 22 GTK bug?

["T. V. Raman" <raman@xxxxxxxxxxx>]

Try commenting out the advice definition in emacspeak-advice.el,
compile, and restart emacs-gtk.

I've got no idea why only emacs-gtk bombs but it would be  good
to start by first taking out the redundancy.

>>>>> "Tim" == Tim Cross <tcross@xxxxxxxxxxx> writes:
    Tim> Today I tried to install emacspeak on a machine where
    Tim> the default emacs is the GTK version of emacs. However,
    Tim> there appears to be a problem with the advice emacspeak
    Tim> provides for global-set-key. The system goes into an
    Tim> infinite loop on startup and bombs out once the maximum
    Tim> eval depth has been exceeded. The following backtrace is
    Tim> created
    Tim> 
    Tim> Debugger entered--Lisp error: (error "Lisp nesting
    Tim> exceeds `max-lisp-eval-depth'")
    Tim> ad-Orig-global-set-key([f7]
    Tim> planner-create-task-from-buffer)
    Tim> ad-Orig-global-set-key([f7]
    Tim> planner-create-task-from-buffer)
    Tim> ad-Orig-global-set-key([f7]
    Tim> planner-create-task-from-buffer)
    Tim> ad-Orig-global-set-key([f7]
    Tim> planner-create-task-from-buffer)
    Tim> ad-Orig-global-set-key([f7]
    Tim> planner-create-task-from-buffer)
    Tim> ad-Orig-global-set-key([f7]
    Tim> planner-create-task-from-buffer) ....
    Tim> 
    Tim> 
    Tim> I've cut out most of the backtrace as its many many
    Tim> lines of this form. Its weird to get this only with the
    Tim> GTK version of emacs 22. I've confirmed it works
    Tim> perfectly with the non-GTK version. I've also confirmed
    Tim> the problem doesn't occur when not running emacspeak and
    Tim> the GTK version.
    Tim> 
    Tim> I looked at emacspeak and found that there is two sets
    Tim> of before advice being created which appear to do the
    Tim> same thing. The first one in emacspeak-advice.el is very
    Tim> straight forward and just provides spoken prompt for the
    Tim> interactive use of global-set-key. The second one is a
    Tim> macro that is (I think) used to achieve roughly the same
    Tim> thing, but in a more generic manner. It is in
    Tim> emacpseak-fix-interactive.el.
    Tim> 
    Tim> Around 12 months ago or more, I did run emacs 22 GTK
    Tim> version with emacspeak with no problems. So, I guess its
    Tim> either something that has changed in emacspeak or the
    Tim> GTK version of emacs 22.
    Tim> 
    Tim> I will overcome this problem by installing the standard
    Tim> emacs 22 version. I just wanted to report this in case
    Tim> anyone else is thinking about trying the GTK version and
    Tim> for Raman's reference. If someone already has a fix, I'd
    Tim> be interested. However, as GTK doesn't really offer
    Tim> anything to me that the standard version doesn't already
    Tim> provide, it falls into the category of low priority
    Tim> IMO. I'm mainly reporting it so that there is a record
    Tim> in the archives and just in case Raman is interested. It
    Tim> may become an issue in the future if we begin to see
    Tim> either divergence between the X tolkit and GTK versions
    Tim> or if distributions start to ship the GTK version by
    Tim> default.
    Tim> 
    Tim> As both the GTK and X Toolkit versions of emacs 22 use
    Tim> the same elisp for global-set-key, the problem must be
    Tim> something relating to the low level (i.e. C level)
    Tim> bindings with the GTK libraries. This means there could
    Tim> be other areas where emacspeak may have problems in the
    Tim> GTK version.
    Tim> 
    Tim> Tim
    Tim> 
    Tim> 
    Tim> -- Tim Cross tcross@xxxxxxxxxxx
    Tim> 
    Tim> There are two types of people in IT - those who do not
    Tim> manage what they understand and those who do not
    Tim> understand what they manage.
    Tim> 
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-- 
Best Regards,
--raman

      
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