Thanks Claudia, that’s a great idea! I’d thought about using a macro but I wasn’t sure how to get a macro to ‘know’ the line number to jump back to. This works well.
In case it is useful to anyone else I couldn’t record a macro using CTRL + Z and CTRL + Y and then save it. When I tried that the ‘Save Current Recorded Macro’ option was greyed out. However when I recorded a macro using the Edit Menu options Undo and Redo I was able to save it.
So now I have Alt + Space as a shortcut to Jump to last edit which is useful.
Many Thanks.