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Re: Problem report #24

From: Jan D.
Subject: Re: Problem report #24
Date: Tue, 11 Apr 2006 09:00:38 +0200
User-agent: Thunderbird 1.5 (X11/20051201)

Stefan Monnier wrote:
Event assign_zero: Variable "f" assigned value 0.
Also see events: [var_deref_model]

3022          f = NULL;
3023          face = Qnil;
3024        }
3026      /* Determine the width standard for comparison with the fonts we 
find.  */

At conditional (1): "face == Qnil" taking false path

3028      if (NILP (face))
3029        size = 0;
3030      else
3031        {
3032          /* This is of limited utility since it works with character
3033             widths.  Keep it for compatibility.  --gerd.  */

Event var_deref_model: Variable "f" tracked as NULL was passed to a function 
that dereferences it. [model]
Also see events: [assign_zero]

If f is NULL, then face=Qnil, so the false path of face==Qnil won't
be taken.

face could be Qnil upon entry to the function?

        Jan D.

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