- avoid to call normalizeRect which clones the rectangles: it's useless and time consuming; - in profiling the pdf in bug 1135277, the time spent in intersect drops from ~1s to ~30ms.
- avoid to call normalizeRect which clones the rectangles: it's useless and time consuming; - in profiling the pdf in bug 1135277, the time spent in intersect drops from ~1s to ~30ms.