Quote:
Originally Posted by griffonwing
Also, if memory serves, a phrase is correct as "5- or 6-inch", not "5 or 6-inch".
If a phrase has dashes, and you are listing them as options, then include the dash after each one.
At least, this was that way that I had learned it in HS and College grammar.
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suspensive or suspended hyphens -
http://en.wikipedia.org/wiki/Hyphen#Suspended_hyphens