XCompose cheat sheet All the XCompose sequences I keep forgetting. en_us.utf8 grep '^<Multi_key>' /usr/share/X11/locale/en_US.UTF-8/Compose en-dash (–): <c> - - . em-dash (—): <c> - - - degree (°): <c> o o dot (·): <c> . - / <c> ^ .