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To change the order of the operands in a combined fragment simply reposition individual operands.
You can only reorder the operands in diagram edit mode.
With the mouse
- Select the operand
- LEFT-DRAG the operand to where you want it to be placed
- this can even be in a different combined fragment!
- (but not if this would result in an empty combined fragment)
- Release the left mouse button to drop it there
With the keyboard
- Select the operand
- Use the UP ARROW and DOWN ARROW keys to swap positions with the operand above or below it in the same combined fragment