From: Peter Kirk (firstname.lastname@example.org)
Date: Tue Aug 05 2003 - 05:27:56 EDT
On 04/08/2003 17:36, Kenneth Whistler wrote:
>Peter Kirk asked:
>>A similar issue which is not Hebrew related would be a (mythical)
>>requirement to display a diacritic like 0315, 031B or 0322 in isolation.
>>It would not always be appropriate to use a space or NBSP as a base
>>character as this would indent the glyph from the beginning of a line in
>>a way which might not be wanted. What would be the recommended encoding
>>if one wanted to display one of these characters with no leading white
>If you just want to display a nonspacing mark in isolation, then
>you apply it to a SPACE (or NO-BREAK SPACE) and typically let the
>metrics of the font then handle how the mark is going to appear
>"floating in space" as it were.
>If you want to display some character like U+0315 COMBINING COMMA
>ABOVE RIGHT *and* you want to do it is isolation *and* you want
>it to occur at the beginning of a line *and* you want there to
>be no display width between the margin and the left edge of the
>display bits of the glyph, then you have stepped over the boundaries
>of what is reasonable to expect plain text to convey. Feel free
>to make use of the higher-level capabilities of your word
>processor or page layout program to individually adjust the
>positioning of particular glyphs displayed in particular fonts.
Thank you. Understood.
>More generally, however, when the issue of the relative
>position of a non-spacing mark with respect to its base
>glyph is what is in question, the standard recommends
>(and uses) the convention of displaying the non-spacing
>mark on a dotted circle as a base. This makes it clear that
>we are talking about the non-spacing mark itself, but also
>makes clear the positional differences between left, centered,
>and right forms, for example.
If I want to do this, should I explicitly encode a dotted circle, or
should I encode nothing and expect the font to generate the dotted
circle, as it often does?
-- Peter Kirk email@example.com http://web.onetel.net.uk/~peterkirk/
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