[BUG] Editing in Register of Currency accounts

[Dave Peticolas]

Christian Stimming writes:
> Hi,
> 
> Fixing this would mean that xaccTransIsCommonCurrency should exclude the
> old split when looking for a common currency. Either this function
> should be extended like "exclude this or this split when comparing
> currencies" or the old split should be deleted before the function is
> called. What do you suggest?

Definitely not the latter. There is no 'old split/new split'; the same
split is being modified. I suggest a new function for finding a common
currency that allows you to specify a split to ignore.

dave