Hi Junichi,

> GNU Emacs 21.4.1 (x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
>  of 2005-10-04 on athlon, modified by Debian

This is more recent than mine 21.3.1. 
I'll see if I can have access to a 21.4.1 version and if possible on Debian.

> >  - Does the message disappears once the slice is correct?
> 
> I think that is the case. It continues to beep and give me error until
> whizzytex has finished with updating the slice.

OK. 
The problem you mention seems abnormal.
But I cannot localize it without beeing able to reproduce it.

Since when is this broken? 

> >  - Have you checked version whizzytex-xxx ? 
> 
> Not yet.

Maybe you could try that, since I really can't reproduce the bug nor on the
current version, nor on an older version.

> >  - Does the bug persists if you enable whizzytex-mode in debug more the
> >    second time? (whizzytex-mode 16): you should then have a better trace
> >    that localize the error in the source code.
> 
> Okay, that would be good.
> 
> It seems to give me:
> 
> Debugger entered--Lisp error: (wrong-type-argument integerp nil)
>   whizzy-get(nil)

If whizzy-get is called with nil, this is really an error.
But, I don't see how we can get there. 

Strangely, the trace does not show "whizzy-running-message" in the call
stack. 

Even more strangely, I don't see how write-region called from
whizzy-filter-ouput can call back whizzy-get.

So I am a bit lost here.


>   write-region(1 5844 
> "/home/dancer/DEBIAN/whizzytex/whizzytex-1.2.3/debian/testfile/_whizzy_test1_d/output/initialization")
>   whizzy-filter-output("<Initialization succeeded, entering loop>\n")
>   run-hook-with-args(whizzy-filter-output "<Initialization succeeded, 
> entering loop>\n")
>   comint-output-filter(#<process test1.tex> "<Initialization succeeded, 
> entering loop>\n")
>   sleep-for(1)
>   whizzy-mode-on(16)
>   whizzytex-mode(16)
>   eval((whizzytex-mode 16))
>   eval-expression((whizzytex-mode 16) nil)
>   call-interactively(eval-expression)

May you check that 

        whizzy-error-string
        whizzy-speed-string

are both defined and integers (resp. 27 and 28, but the value does not
matter) in the buffer. 

I don't know what more I can do as long as I cannot reproduce the problem.
Maybe waiting for others to report the same error and hope for additional
information...

    Didier


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