Very, very similar, yes. It can be annoying!

We've got our browser set to use a monospace font for everything, everywhere, including all websites. It's awesome for seeing if you've accidentally typed two spaces. Not so great for checking to make sure you're using the right kind of dash!

-- Frost

(also Lemmy, because it's annoying, is going to turn my double - here into an en/em dash (not 100% sure which). In this case, I DO in fact mean a double -, dangit.)