[OS X Emacs] Unabel to debug error: "Symbol's function definition is void: screen-width"

David Reitter david.reitter at gmail.com
Sat Mar 15 08:38:41 EDT 2014

Maybe you’re not setting debug-on-error early enough.

I would look for something like “(screen-width)”, because you seem to be using it as argument.  Why not put that in Spotlight?

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On Mar 15, 2014, at 6:43 AM, Sriram Karra <karra.etc at gmail.com> wrote:

> I recently downloaded the latest version from the aquamacs site. There is some problem in my configuration that is causing the error mentioned in the subject line when I try to use the mouse scroll button or press C-v.
> Even more strangely I am unable to trigger the debugger by setting (setq debug-on-error t) 
> The value of debug-ignored-errors is ("^Invalid face:? " beginning-of-line beginning-of-buffer end-of-line end-of-buffer end-of-file buffer-read-only file-supersession user-error)
> Version: Aquamacs 3.0a GNU Emacs (x86_64-apple-darwin13.0.0, NS apple-appkit-1265.00) of 2014-01-21 (Aquamacs-3.0a) on watson
> I used to use an earlier version of Aquamacs and faced no such issue with the same config files.
> Any clues on how (a) why the debugger is not triggering and (b) what happened to screen-width variable and who is looking for it?
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