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Re: [csswg-drafts] [css-values] Traditional absolute length units

From: Christoph Päper via GitHub <sysbot+gh@w3.org>
Date: Tue, 14 Feb 2017 10:02:24 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-279662618-1487066542-sysbot+gh@w3.org>
[Dael Jackson @ www-style (2017-02-13): [CSSWG] Minutes Seattle F2F 
2017-01-11 Part VI: Writings Modes, CSS Tables, Values & Units 
Traditional pica notation #378 is discussed under the heading “Adding 
older typographic units”, actual units in “ciceros, didot, and ens”.

>  <plinss> didot (dt) where 15dt=16pt, cicero (cc) where 1cc=12dt, 

That’s exactly why I want didot points to be specified in CSS: They 
need a canonical abbreviation and definition and it should *not* be 
`15dt` = `16pt`, but `8dd` = `3mm`. They are continental European 
units, which should relate to the meter, not the English inch. (We 
could add different `dt` *and* `dd`, but why? CSS doesn’t share 
Knuth’s `bp`/`pt` distinction either.)

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