[Ltru] Re: Broken folding (was: (editor response) Review of 4646bis-10, sections 1 to 3.4)

On Sat, Dec 08, 2007 at 04:34:59PM +0100,
 Frank Ellermann <nobody@xyzzy.claranet.de> wrote 
 a message of 73 lines which said:

> Do they offer a list of combining characters somewhere, or is that a
> case of "grep 996 KB list for non-zero combining class" ?

I believe that combining characters are simply those who are in the
categories "Mark, Nonspacing", "Mark, Spacing Combining" and "Mark,
Enclosing", no? If so, it is quite simple to extract them:

ucd=> SELECT To_U(codepoint) AS U_Codepoint, name FROM Characters WHERE category = 'Mn' OR category = 'Mc' OR category = 'Me' ORDER BY codepoint;
 u_codepoint |                           name                            
-------------+-----------------------------------------------------------
 U+300       | COMBINING GRAVE ACCENT
 U+301       | COMBINING ACUTE ACCENT
 U+302       | COMBINING CIRCUMFLEX ACCENT
...
(1065 rows)

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