The : allows users to discover it by coincidence when trying to type a smily :) If triggering it by accident wasn't intended, they could have used a regular ke

The : allows users to discover it by coincidence when trying to type a smily :) If triggering it by accident wasn't intended, they could have used a regular keyboard shortcut like Alt+Shift+E or even instruct users to press Win+. to use the system-wide emoji menu.