(Other Useful Character Entities) ‐ = hyphen ( ‑ = non‐breaking
hyphen ( ‒ = figure dash ( – = en dash ( — = em dash ( − = minus
sign ( - = default hyphen‐minus (what is shown when you press
the key next to zero on the keyboard) Following is taken from
http://www.alistapart.com/articles/emen/: That hyphen you can
insert with the key next to the zero on your keyboard is an
ambiguous character suffering from an identity crisis. It can’t
decide if it’s a hyphen, a minus, or an en dash—in fact, the
Unicode specification describes it as “hyphen‐minus” and defines
very specific replacements for each of its personalities. Use it
if you need to insert a hyphen, but never for a minus ( −) or a
dash, since it does not have the correct width for either, or
the vertical position for the latter (compare “1+4-2=3” to
“1+4−2=3”). The soft hyphen ( a.k.a. “discretionary hyphen” and
“optional hyphen”) is to be used for one purpose only—to
indicate where a word may be broken at the end of a line.
Otherwise, it is to remain inv