Geeky Apostrophe Thing

That last post got me to thinking:

If I’m writing the word “em”—as in, “that’ll show ’em”—should I use the ‘ open quote or the ’ close quote in front of the “em”? Should it be ‘em or ’em?

Funnily enough, I’m realizing that it doesn’t matter too much, in this font, because they look basically the same. Let’s try again, in another font:

If I’m writing the word “em”—as in, “that’ll show ’em”—should I use the ‘ open quote or the ’ close quote in front of the “em”? Should it be ‘em or ’em?

These are the types of things I worry about, that nobody else in the world cares about...