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emacspeak and emacs 22 GTK bug?



gtk+-2.0

>>>>> "Tim" == Tim Cross <tcross@xxxxxxxxxxx> writes:
    Tim> Raman,
    Tim> 
    Tim> thanks for going to that effort. Just to avoid
    Tim> confusion, emacspeak compiles fine for me - its during
    Tim> execution of emacs 22 with emacspeak running that I get
    Tim> the problem.
    Tim> 
    Tim> I will attempt with the latest CVS version as well and
    Tim> see how it goes. Can you let me know what version of
    Tim> GTK+ you built against?
    Tim> 
    Tim> Tim
    Tim> 
    Tim> T. V. Raman writes:
    >> 
    >> I just built emacs 22 from the cvs sources with
    >> --with-toolkit=gtk -- and emacspeak compiles fine under
    >> the resulting binary --- so this looks like more of a
    >> problem with the emacs-gtk you pulled.
    >> 
    >> >>>>> "Tim" == Tim Cross <tcross@xxxxxxxxxxx> writes:
    Tim> Well, it didn't take long to discover more problems. I'm
    Tim> beginning to suspect there is a problem witht he GTK
    Tim> version of emacs 22 and how it implements advice.
    Tim> 
    Tim> I'm finding the same error on any function that has more
    Tim> than one piece of advice defined for it. It doesn't seem
    Tim> to matter what mixture of before, around or after advice
    Tim> and its not restricted to emacspeak. I'm getting the
    Tim> same error with advice I have defined that is not part
    Tim> of emacspeak.
    Tim> 
    Tim> I will check the emacs 22 bug database, try to come up
    Tim> with a simple test case and submit a bug to the emacs 22
    Tim> maintainers.
    Tim> 
    Tim> Tim
    Tim> 
    Tim> T. V. Raman writes:
    >> >> 
    >> >> 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> 
    Tim> -----------------------------------------------------------------------------
    Tim> To unsubscribe from the emacspeak list or change your
    Tim> address on the emacspeak list send mail to
    Tim> "emacspeak-request@xxxxxxxxxxx" with a subject of
    Tim> "unsubscribe" or "help"
    >> >> 
    >> >> -- 
    >> >> Best Regards, --raman
    >> >> 
    >> >> 
    >> >> Email: raman@xxxxxxxxxxx WWW: >>
    >> http://emacspeak.sf.net/raman/ AIM: emacspeak GTalk: >>
    >> tv.raman.tv@xxxxxxxxxxx PGP: >>
    >> http://emacspeak.sf.net/raman/raman-almaden.asc Google: >>
    >> tv+raman IRC: irc://irc.freenode.net/#emacs
    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> 
    Tim> -----------------------------------------------------------------------------
    Tim> To unsubscribe from the emacspeak list or change your
    Tim> address on the emacspeak list send mail to
    Tim> "emacspeak-request@xxxxxxxxxxx" with a subject of
    Tim> "unsubscribe" or "help"
    >> 
    >> -- 
    >> Best Regards, --raman
    >> 
    >> 
    >> Email: raman@xxxxxxxxxxx WWW:
    >> http://emacspeak.sf.net/raman/ AIM: emacspeak GTalk:
    >> tv.raman.tv@xxxxxxxxxxx PGP:
    >> http://emacspeak.sf.net/raman/raman-almaden.asc Google:
    >> tv+raman IRC: irc://irc.freenode.net/#emacs
    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.

-- 
Best Regards,
--raman

      
Email:  raman@xxxxxxxxxxx
WWW:    http://emacspeak.sf.net/raman/
AIM:    emacspeak       GTalk: tv.raman.tv@xxxxxxxxxxx
PGP:    http://emacspeak.sf.net/raman/raman-almaden.asc
Google: tv+raman 
IRC:    irc://irc.freenode.net/#emacs

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