[GNC] Reordering splits in a transaction

[peterb]

I have a recurring transaction with a very complicated split. At some
point, the splits in the recurring transaction seem to have organized
themselves in a confusing way - seemingly not related to the order in which
I entered them.

Is there any way to reorder splits within a transaction short of "Type
everything over again from top to bottom?"  Is the (seeming) self-ordering
of the splits themselves inevitable, and if so, is there some underlying
principle by which they are arranging themselves?

-P