I learned to like em and en dashes as grammatical devices but was undecided about the space around them — "regular" spaces are too much, but having them flush w

I learned to like em and en dashes as grammatical devices but was undecided about the space around them — "regular" spaces are too much, but having them flush with the surrounding text was equally undesirable. The "hair" space fits the bit fantastically, and it doesn't require HTML, CSS, or any special fonts!