From: William Overington (WOverington@ngo.globalnet.co.uk)
Date: Wed May 07 2003 - 04:19:12 EDT
Arnold Winkler wrote as follows.
> I guess, it is time again to remind Mr. Overington to read ISO/IEC TR
15285 - An operational model for characters and glyphs. And ask font
related questions on an appropriate mailing list.
Well, the answer Michael gave would seem to make this a highly relevant
question for the Unicode mailing list.
The Unicode Consorium's document U1E00.pdf contains the following.
The shapes of the reference glyphs used in these code charts are not
prescriptive. Considerable variation is to be expected in actual fonts.
Perhaps a note needs to be added to U+1E03 LATIN SMALL LETTER B WITH DOT
ABOVE and various other characters for Irish Gaelic (old orthography) along
the following lines.
Due to linguistic tradition, these dots should always be implemented in
fonts as filled discs, even if punctuation or other accents such as
diaeresis are implemented as, say, squares or lozenges within the font.
Certainly I have in mind the implementing of these characters in my Quest
text font as a result of reading this thread and wanting to be able to try
out the test with the strings which Curtis provided and have a good result
for Quest text. At present I get a number of copies of the default glyph of
the font appearing. Now, Quest text implements full stops and diaeresis
characters as squares. Yet, as a result of Michael's reply I shall override
the general design rules of the font and use filled discs for the dots for
these characters. There may be no apparent difference at 12 point, yet at
larger sizes, such as 48 point and 72 point the difference would show.
Quest text hopefully looks very stylish at 288 point.
I feel that this was a relevant question for the Unicode list as it appears
that perhaps the code charts do not at present convey the full information
about the character needed by a person seeking to implement Unicode.
7 May 2003
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