Yes, when you configure the expander based on the readme change the ^M (enter key) on the following line to any key you wish: bindkey "^M" empty-enter-expander

Yes, when you configure the expander based on the readme change the ^M (enter key) on the following line to any key you wish: bindkey "^M" empty-enter-expander ^E represents Ctrl + E M-e represents Alt + E ...