From: Karl Pentzlin (firstname.lastname@example.org)
Date: Tue Jan 26 2010 - 06:06:29 CST
The Chicago Manual of Style (15th ed. , ISBN 0-226-10403-6)
explains different 2-em and 3-em dashes for different punctuation
requirements (p.265, 6.95/6.96; see attached excerpt).
However, Unicode knows only one "long dash" beyond the em dash,
U+2015 HORIZONTAL BAR, for which no length is specified, and another
use is recommended ("long dash introducing quoted text").
Also, the horizontal bar is not considerably longer than the em dash
in several fonts.
Is this omission of 2-em and 3-em dashes in Unicode intentional?
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