Re: Emacs carbon crash, and beginner question...

[Martin Fredriksson <m@rfc.se>]

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Hi again Kim,

Don't know if my gdb output was useful or if you already found the 
problem, but here is some more info.

I can now reproduce the crash.  Perhaps not the simplest way, but 
following does it.

(1) Start emacs without any init file and with set geometry (to make 
sure my example works)

     emacs -q -geometry 80x40+0+0

(2) Open text file (I enclose an example "apa.txt") marked up for 
outline and with more lines than fit in one window (scrolling is needed 
to trigger the crash).

(3) Go to end of buffer (so that text scrolls)

(4) Press C-o C-t ('hide-body').  Buffer is still "scrolled" (you don't 
see the top of the buffer).

(5) Move up two rows ('previous-line' x 2).  This scrolls down so all 
text is visible.

(6) Press C-o C-a ('show-all')

     CRASH.

Configuration information below.  This run is from Emacs/X11, same 
result for Emacs/Carbon.

In GNU Emacs 22.0.50.2 (powerpc-apple-darwin7.8.0, X toolkit, Xaw3d 
scroll bars)
  of 2005-02-11 on seven.msp.se
Distributor `The XFree86 Project, Inc', version 11.0.40300000
configured using `configure '--without-carbon' '--with-x' 
'CPPFLAGS=-I/opt/local/include' 'LDFLAGS=-L/opt/local/lib''

Important settings:
   value of $LC_ALL: nil
   value of $LC_COLLATE: nil
   value of $LC_CTYPE: nil
   value of $LC_MESSAGES: nil
   value of $LC_MONETARY: nil
   value of $LC_NUMERIC: nil
   value of $LC_TIME: nil
   value of $LANG: nil
   locale-coding-system: nil
   default-enable-multibyte-characters: t

Major mode: Text

Minor modes in effect:
   outline-minor-mode: t
   mouse-wheel-mode: t
   menu-bar-mode: t
   global-font-lock-mode: t
   font-lock-mode: t
   unify-8859-on-encoding-mode: t
   utf-translate-cjk-mode: t
   line-number-mode: t
   transient-mark-mode: t

Recent input:
C-x C-f a p a . t x t <return> <escape> > C-o C-t <up>
<up>

Recent messages:
Loading tooltip...done
Loading font-lock...done
Loading jit-lock...done
Loading outline...
Loading easy-mmode...done
Loading outline...done
Loading vc-cvs...done
Mark set
Making completion list...
Loading emacsbug...done


[-- Attachment #2: apa.txt --]
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* Section 1
Line 1
Line 2
* Section 2
Line a
Line b
asdfadf
asdf
asdf
asdf
asdf
asdf
asd
fa
sdfa
sdf
asdf
asdf
asd
fas
dfa
sdfasdf
asdf
asdf
as
dfa
sdf
*Section 3
asdfadsf
asdf
asdfasdf
asdf
asdf
asd
fasdf
asdf
asfd
asdf
asd
fasdf
aadsf

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