A recent discussion came up in GameDev that suggests that when you are using apostrope for abbreviations, that the correct apostrophe to use when typing is the backtick. On US Keyboards below the escape-key — left of the 1 key)
Questions about the difference between the single-quote, and the apostrophe have come up before, but they do not address whether the apostrophe should be typed as if it is a single-quote, or it should be typed as a backtick.
Which of the following are (more) correct:
Itˋs common sense that a student darenˋt interrupt its professor!
It’s common sense that a student daren’t interrupt its professor!