Let's say I have a medical expense that I want to see in my tax summary. Easy. Now say I was able to use some of my rewards points to pay it. The expense is the same for tax purposes; I just used rewards to pay part of it.
I enter a split transaction, say category medical $50, category rebate -$20. When I run the tax summary report it correctly says there is an expense listed as -50.00 (red) and the register correctly shows a charge of $30.
Now, say that I was fortunate enough that the rebate completely covered the expense. I enter category medical $50, category rebate -$50. Now, in the tax summary, it comes in as +50.00 (black), which is backward.
I thought maybe it doesn't realize it is a charge. I've tried putting a 0 in the charge field both before and after entering splits with no improvement. I suppose I might enter 2 separate transactions and go through manual reconciliation adjustments, but this situation is frequent and it would be better to get it automatically taken care of.
[Edited - Readability]