[REVIEW-3-6] fix for i#118877, don't remove ScPAtternAttr from doc pool when swapping rows/cols

[Eike Rathke]

Hi Markus,

On Friday, 2012-07-13 20:39:07 +0200, Markus Mohrhard wrote:

> In case of swapping we don't need all the special cases of ScAttrArray
> for finding the right place and inserting removing from the doc pool,
> we can just exchange the two pointers which is faster and does not
> require manual manipulation of ref counts.

But, exchanging pointers works correctly only if both patterns cover
exactly one row each, not if one or both apply to more rows. So, while
inserting/removing from docpool may not be needed, splitting or merging
the area still is.

Or what do I miss? I didn't try the patch.

  Eike

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