(2019-12-19, 20:22)Roland Melkert Wrote: Technically you cancel editing the header, not adding the subfile itself
You could just remove or move the button in the menu bar (right click -> 'menubar config..' -> buttons tab -> select "add new sub..." in right panel -> '<<<' button)
I'll try to improve it in 1.6d. But I don't think the code 'knows' it came from that button at that point in time, making it less then trivial to change.
No worries. Like I said, just a minor annoyance. I'll just hotkey it for now to avoid having to click the menu button.