From: John Cowan (cowan@mercury.ccil.org)
Date: Sat Apr 26 2003 - 11:41:39 EDT
William Overington scripsit:
> What is the difference between U+2000 EN QUAD and U+2002 EN SPACE please?
>
> What is the difference between U+2001 EM QUAD and U+2003 EM SPACE please?
There is none; they are canonically equivalent. Only one of each should
have been encoded. So it goes.
> In letterpress printing, with handsetting of type from a metal font which
> had been cast by a typefounder, I always thought of a quad as something like
> a 2 em quad or a 4 em quad, that is, as a multiple em width block of spacing
> used at each end of a line of handset type to give stability, or used within
> a line to space out a fleuron or some such ornament. So an em quad seems
> not to fit with that, so what is the meaning please?
Just what you'd expect: a spacer whose width is 1 em.
-- "In my last lifetime, John Cowan I believed in reincarnation; http://www.ccil.org/~cowan in this lifetime, jcowan@reutershealth.com I don't." --Thiagi http://www.reutershealth.com
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