From: André Szabolcs Szelp (a.sz.szelp@gmail.com)
Date: Tue Jul 14 2009 - 03:54:01 CDT
I missed this message due to the changed subject.
A "SUBSCRIPT RING" in the modifier letter class, as Christoph suggests in
this message does already exist:
U+02F3 MODIFIER LETTER LOW RING
Typographically, it might sit just slightly to deep. However, being a
spacing character, I wonder whether this is not just a glyph/font issue.
Szabolcs
2009/7/14 Christoph Burgmer <cburgmer@ira.uka.de>
> Am Dienstag, 14. Juli 2009 schrieb Asmus Freytag:
> > What you have is a typographically the same thing as if you took the
> > U+00B0 DEGREE SIGN and moved its circle down from its superscript
> > position into a subscript position.
> >
> > The two characters that come closest are U+02F3 MODIFIER LETTER LOW RING
> > and U+302D IDEOGRAPHIC ENTERING TONE MARK.
> >
> > The latter is a combining mark (intended presumably for ideographs - and
> > therefore suspect in terms of whether typical implementations would
> > yield correct alignment with Latin letters). However, the placement of
> > this character relative to the baseline is close to what the samples
> > show - at least in some fonts.
> >
> > The former may be too low: the sample glyph in the Unicode code charts
> > rests entirely below the baseline - depending on the font, even quite
> > far below.
> >
> > A new character,
> >
> > SUBSCRIPT RING
> >
> > would be my recommendation
>
> How would we treat letter case as of UTR#21? Even using full stop for the
> compulsory neutral tone turns up wrong title case (example in Python):
>
> >>> "bu jy.daw".title()
> 'Bu Jy.Daw'
>
> Though in my eyes it should be
> 'Bu Jy.daw'
>
> Would UTR#21 even handle those cases? Would such a character fall into the
> "Letter Modifier" class?
> Python btw has a buggy implementation for UTR#21, so this example is as far
> as
> you can go.
>
> -Christoph
>
>
>
-- Szelp, André Szabolcs +43 (650) 79 22 400
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