Enabling Control-Meta(⌘)-D on macOS

from blog lmno.lol @alvaro, | ↗ original
I use command (⌘) as my Emacs Meta key. Recently discovered C-M-d is not available to Emacs for binding keys on macOS. Stack Exchange had the workaround: defaults write com.apple.symbolichotkeys AppleSymbolicHotKeys -dict-add 70 'enabled'