Difference between revisions of "Greek Unicode duplicated vowels"

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There should be no different between, for example, ά and ά (both alpha-oxia), so in most cases you don't need to worry about this. Your [Greek Keyboards (Unicode)] will make a decision and input one or the other; your [Greek Fonts (Unicode)] will display both identically; a search engine should be able to find both from either input (just as they should be able to strip diacritics altogether from a search term, if desired).
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There should be no different between, for example, ά and ά (both alpha-oxia), so in most cases you don't need to worry about this. Your [[Greek Keyboards (Unicode)]] will make a decision and input one or the other; your [[Greek Fonts (Unicode)]] will display both identically; a search engine should be able to find both from either input (just as they should be able to strip diacritics altogether from a search term, if desired).
  
 
There have been problems with this (certain fonts in certain browsers don't get it right, for example), and so far as I know there are no recommendations for prefering one codepoint over the other in these cases.
 
There have been problems with this (certain fonts in certain browsers don't get it right, for example), and so far as I know there are no recommendations for prefering one codepoint over the other in these cases.

Revision as of 12:30, 4 July 2008

The Greek basic Unicode range (0370-03FF) originally enciding the characters required for modern Greek: the 24-letter alphabet, a couple of numerical symbols, and vowels with tonos and/or diaeresis (in addition to Coptic and a few other symbols). When the Greek extended range (1F00-1FFF) was added to handle Polytonic Greek (for both Classical and katherevousa Greek), this basically involved the addition of accented vowels, plus breathing marks, subscript iotas, etc.

For some reason, perhaps because of an oversight, or perhaps because the editors of this revision were thought that there was some essential different between tonos and oxia (which there is not), 16 characters in the Greek basic set were duplicated in Greek extended:

Unicode Beta Code Basic codepoint extended codepoint
ά A/ 03AC 1F71
έ E/ 03AD 1F73
ή H/ 03AE 1F75
ί I/ 03AF 1F77
ό O/ 03CC 1F79
ύ U/ 03CD 1F7B
ώ W/ 03CE 1F7D
Ά */A 0386 1FBB
Έ */E 0388 1FC9
Ή */H 0389 1FCB
Ί */I 038A 1FDB
Ό */O 038C 1FF9
Ύ */U 038E 1FEB
Ώ */W 038F 1FFB
ΐ I/+ 0390 1FD3
ΰ U/+ 03B0 1FE3

There should be no different between, for example, ά and ά (both alpha-oxia), so in most cases you don't need to worry about this. Your Greek Keyboards (Unicode) will make a decision and input one or the other; your Greek Fonts (Unicode) will display both identically; a search engine should be able to find both from either input (just as they should be able to strip diacritics altogether from a search term, if desired).

There have been problems with this (certain fonts in certain browsers don't get it right, for example), and so far as I know there are no recommendations for prefering one codepoint over the other in these cases.

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