This could be an age thing. I’m 62. I didn’t know there was such a thing as an em dash until I was nearly finishing grad school. My buddy had an Apple Mac and w

This could be an age thing. I’m 62. I didn’t know there was such a thing as an em dash until I was nearly finishing grad school. My buddy had an Apple Mac and was up to date on typography, and told me about em dashes. I ignored him and have continued to use double hyphens — all the way up to this point where my iPad seems to convert them into em dashes.