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:[EMAIL PROTECTED] Xen Master http://www.i18nGuy.com XenCraft http://www.XenCraft.com Making e-Business Work Around the World -------------------------------------------------------------
