From: Tex Texin (tex@i18nguy.com)
Date: Mon Jul 07 2003 - 14:46:39 EDT
Jim, Why do you leave out U+2007 figure space?
Jim Allan wrote:
>
> Philippe Verdy posted:
>
> > I can't make a recommandation on which space figure to use.
> > Ideally, it must just be *less wide* than a digit and *not justified*, it must
> > be *unbreakable*. The ideal space to use depends on the available fonts,
> > and in practive most texts are coded with NBSP (sometimes a standard
> > SPACE, but using simply nothing is better than using a SPACE), and the
> > final space is substituted during formatting before publishing.
>
> If this space *must* be *unbreakable*, as obviously it must, the only
> spaces that are available for use in Unicode are U+000A NO-BREAK SPACE
> or U+202F NARROW NO-BREAK SPACE.
>
> All other spaces (of size other than zero-width) in Unicode indicate
> allowable line breaks.
>
> From Unicode Standard Annex #14:Line Breaking Properties at
> http://www.unicode.org/reports/tr14/tr14-13.html:
>
> > 2000 EN QUAD
> > 2001 EM QUAD
> > 2002 EN SPACE
> > 2003 EM SPACE
> > 2004 THREE-PER-EM SPACE
> > 2005 FOUR-PER-EM SPACE
> > 2006 SIX-PER-EM SPACE
> > 2008 PUNCTUATION SPACE
> > 2009 THIN SPACE
> > 200A HAIR SPACE
> > 205F MEDIUM MATHEMATICAL SPACE
> >
> > The preceding list of space characters all have a specific width, but
> > behave otherwise as breaking spaces. In setting a justified line,
> > normally none of these spaces, except for THIN SPACE when used in
> > mathematical notation, will change in width. See also the SP property.
>
> Accordingly in French U+202F NARROW NO-BREAK SPACE is the character to
> be used before or after certain punctuation for narrow spacing where
> no break is allowed, not U+2009 THIN SPACE or any other spacing character.
>
> Jim Allan
-- ------------------------------------------------------------- Tex Texin cell: +1 781 789 1898 mailto:Tex@XenCraft.com Xen Master http://www.i18nGuy.com XenCraft http://www.XenCraft.com Making e-Business Work Around the World -------------------------------------------------------------
This archive was generated by hypermail 2.1.5 : Mon Jul 07 2003 - 15:36:56 EDT