[sho_hn]

My workaround (well, to be honest, I've always done this: I love a good em dash, they're terrifically satisfying to use, but I'm too lazy to type them), is to use two single dashes--like so.

[al_borland]

Depending on your editor, your double dash method may auto-convert to an em dash.

[nick49488171]

Do you also end ambiguously questioning messages with a double dot..

[sho_hn]

No.

[adastra22]

My editor turns two single dashes into an em-dash—like this. (iOS)