The batch debugger has a "Command Expansion" window that will pop up above the tab window when you start debugging. The Command Expansion window will show the original command line, the command line after alias expansion, and the command line after variable expansion. The Command Expansion window is a docking window, so it can be moved & attached at other locations. If you don't want to see the Command Expansion window, you can turn it off from the IDE "View / Command Expansion" menu option.