> Second, I need to see some of the variables involved in this:
>
>  (gdb) p start_pos
>  (gdb) p it2.vpos
>  (gdb) p it2.current
>  (gdb) p it2.string
>  (gdb) xtype
>  (gdb) p it2.method
>
> Finally, can you describe what should be displayed on the portion of
> the screen that is around the character position (shown by "p it2.current"
> above) where Emacs loops?  The following command should display
> detailed information about the screen line that includes the above buffer
> position:
>
>  (gdb) pgrowx (it2.w->desired_matrix->rows+N)
>
> where N is the zero-based number of the screen line.  If you cannot
> easily figure out the value of N, try the above command for successive
> values starting from zero, until you see the first screen line that is
> not displayed.
>
> Thanks.

Thanks.