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Subject: modifier letters
From: Vladimir Volovich <vvv@vvv.vsu.ru>
Date: 22 Nov 2000 17:41:22 +0300
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Hi,

FYI, here is an excerpt from http://charts.unicode.org/PDF/U02B0.pdf:

0x02B9 MODIFIER LETTER PRIME
* primary stress, emphasis 
* transliteration of mjagkij znak (Cyrillic soft sign: palatalization)

0x02BA MODIFIER LETTER DOUBLE PRIME
* exaggerated stress, contrastive stress
* transliteration of tverdyj znak (Cyrillic hard sign: no palatalization)

0x02BC MODIFIER LETTER APOSTROPHE 
= apostrophe
* glottal stop, glottalization, ejective 
* spacing clone of Greek smooth breathing mark
* many languages use this as a letter of their alphabets

note the `=apostrophe' (which says against creating separate glyphs
for this letter at least in 8-bit fonts) and `*many* languages use
this as a letter of their alphabets'.

Best,
v.