Re: Problem report #12

[Stuart D. Herring]

> 640     /* If POOL is null, MATRIX is a window matrix for window-based
> redisplay.
> 641        Do nothing if MATRIX' size, position, vscroll, and marginal
> areas
> 642        haven't changed.  This optimization is important because
> preserving
> 643        the matrix means preventing redisplay.  */
>
> At conditional (2): "(matrix)->pool == 0" taking true path

(Disclaimer: I know nothing about redisplay.)
See comment: w is only NULL if we're handling a frame matrix, not a window
matrix.  So matrix should have a pool, and this code path is dead.  No
bug.

Davis

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