From: Karl Pentzlin (email@example.com)
Date: Thu Dec 27 2007 - 02:21:56 CST
There are some Latin characters which look the same (at least very similar, dependent of the font) but are encoded differently, all because they are
paired with a character of the other case which are clearly different.
Thus, the letter to be used cannot derived from its visual appearance alone,
but its context must be taken into account (a problem e.g. when designing the labelling on a keyboard).
1.) Ð U+00D0 LATIN CAPITAL LETTER ETH, lower case is:
ð U+00F0 LATIN SMALL LETTER ETH
Đ U+0110 LATIN CAPITAL LETTER D WITH STROKE, lower case is:
đ U+0111 LATIN SMALL LETTER D WITH STROKE
Ɖ U+0189 LATIN CAPITAL LETTER AFRICAN D, lower case is:
ɖ U+0256 LATIN SMALL LETTER D WITH TAIL
2.) ə U+0259 LATIN SMALL LETTER SCHWA, upper case is:
Ə U+018F LATIN CAPITAL LETTER SCHWA
ǝ U+01DD LATIN SMALL LETTER TURNED E, upper case is:
Ǝ U+018E LATIN CAPITAL LETTER REVERSED E
3.) Ɂ U+0241 LATIN CAPITAL LETTER GLOTTAL STOP, lower case is:
ɂ U+0242 LATIN SMALL LETTER GLOTTAL STOP
ʔ U+0294 LATIN LETTER GLOTTAL STOP, which is caseless.
Is this list complete (besides digraphs etc.)?
- Karl Pentzlin
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