From: Peter Constable (email@example.com)
Date: Wed Nov 24 2004 - 12:23:11 CST
> From: firstname.lastname@example.org [mailto:email@example.com]
> Of Tim Greenwood
> All of the spacing combining marks (general category Mc) except
> musical symbols have a canonical combining class of 0. So, for example
> 0B95 (TAMIL LETTER KA) 0BC7 (TAMIL VOWEL SIGN EE - stands to the left
> of the consonant) 0BBE (TAMIL VOWEL SIGN AA - on the right) is
> canonically distinct from 0B95 0BBE 0BC7 - even though I presume that
> they would generate an identical glyph. Why is this? The Canonical
> Combining Class Values in UCD.html has entries and values for left
> attached and right attached - but no characters have these values.
The question that comes to my mind isn't why some Mc marks don't have
non-zero classes Right Attached class, but rather why any Mc marks *do*
have non-zero classes.
There are 352 marks with a canonical combining class > 0. Only 8 of
these, all musical symbols, are Mc.
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