Re: U+2015 HORIZONTAL DASH, 2-em and 3-em dashes in the Chicago Manual of Style

From: Michael Everson (everson@evertype.com)
Date: Tue Jan 26 2010 - 17:06:00 CST

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    On 26 Jan 2010, at 22:50, Leo Broukhis wrote:

    > On Tue, Jan 26, 2010 at 1:13 PM, Michael Everson
    > <everson@evertype.com> wrote:
    >>
    >> I have no objection to adding a two-em dash and a three-em dash to
    >> the UCS.
    >
    > Hmm... Slightly paraphrasing Unicode FAQ:
    >
    > Ligaturing is a behavior encoded in fonts: if a modern font is asked
    > to display an {em-dash} followed by {another em-dash}, and the font
    > has {a two-em dash} ligature in it, it can display the ligature. Some
    > fonts have no ligatures, some (especially for non-Latin scripts) have
    > hundreds. It does not make sense to assign Unicode code points to all
    > these font-specific possibilities.

    My non-objection stands. And that text is not referring to punctuation
    marks I warrant.

    Michael Everson * http://www.evertype.com/

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