When zooming a map on a crafting table, the new map does not have the same centre co-ordinates as the original map but rather is centred on the chunk containing the crafting bench.

Since you can only zoom a map that has already had it's position set by right-clicking, I would have expected the zoomed map to have the same centre.

In addition, it would be nice if the area already explored in the original map could be copied over to the zoomed map (scaled appropriately, of course).