The STIX fonts do **NOT** currently have the math OpenType script. What this means is that they have nice collection of glyphs, but no special layout features, so they're pretty useless for actually typesetting something with them. The math script, aka MATH table, is a MS extension to OpenType. MS has not yet officially submitted any documentation for these math layout extensions -- and they are quite extensive -- not even in the draft 1.5/1.6 OpenType spec. Despite this, it is the de-facto OpenType math standard, and support for it has appeared in FOSS projects. These extensions are implemented only in the Cambria Math font (MS), and now in Asana Math (FOSS). Fonts using these extensions are currenly usable only in MS Office 2007 (and some other minor non-FOSS products), but out of the FOSS world only XeTeX supports them right now. LuaTeX is scheduled to add support by the end of this year, together with the release of the GUST Math font. On Wed, Aug 13, 2008 at 5:52 AM, Ignacio Vazquez-Abrams <ivazqueznet(a)gmail.com&gt; wrote: > On Wed, 2008-08-13 at 05:41 +0300, Vasile Gaburici wrote: >> It's nice to see that the first (& only?) FOSS OpenType math font, > > STIXFonts? Well, not quite FOSS yet, but soon hopefully... > > http://www.stixfonts.org/user_license.html > > -- > Ignacio Vazquez-Abrams <ivazqueznet(a)gmail.com&gt; >

Unlike Office 2007, XeTeX checks if a font contains the math script, not the MATH table to decide whether it will work or not for Unicode math. So with STIX it complains: Package fontspec Warning: Font "STIXGeneral/ICU" at 12.0pt does not contain script 'Math' And predictably, it doesn't work: http://www.cs.umd.edu/~gaburici/uni-asana.pdf http://www.cs.umd.edu/~gaburici/uni-cambria.pdf http://www.cs.umd.edu/~gaburici/uni-stix.pdf On Wed, Aug 13, 2008 at 7:34 AM, Vasile Gaburici <vgaburici(a)gmail.com&gt; wrote: > It turns out that STIX beta fonts have a modicum of MATH table (it > didn't occur to me check), but not math script support. Because of the > MATH table, STIXGeneral gets recognized as math font in Office 2007, > but it doesn't really work; as soon as you type anything, you get > Cambria Math instead. See: > http://blogs.msdn.com/murrays/archive/2007/11/06/stix-beta-fonts.aspx. > Also, the way the STIX fonts are spread across multiple otf files > doesn't work with any typesetting software; but hey, if you just want > to gawk at the glyphs with unicode.org's unibook viewer, it's fine. > > $ otfinfo -t /usr/share/fonts/stix/STIXGeneral.otf > 251327 CFF > 28 FFTM > 30 GDEF > 242 MATH > 96 OS/2 > 4346 cmap > 54 head > 36 hhea > 10026 hmtx > 6 maxp > 6393 name > 32 post > 572 prop > $ otfinfo -s /usr/share/fonts/stix/STIXGeneral.otf > <<nothing>> > > $ otfinfo -t /usr/share/fonts/asana-math/asana-math.otf > 354717 CFF > 28 FFTM > 30 GDEF > 80 GPOS > 1268 GSUB > 12168 MATH > 96 OS/2 > 2262 cmap > 44 feat > 54 head > 36 hhea > 12076 hmtx > 6 maxp > 128 morx > 15289 name > 32 post > 542 prop > $ otfinfo -s /usr/share/fonts/asana-math/asana-math.otf > DFLT Default > grek Greek > latn Latin > math <unknown script> > $ otfinfo -f --script=math /usr/share/fonts/asana-math/asana-math.otf > dtls <unknown feature> > onum Oldstyle Figures > salt Stylistic Alternates > ssty <unknown feature> > > > On Wed, Aug 13, 2008 at 6:24 AM, Vasile Gaburici <vgaburici(a)gmail.com&gt; wrote: >> The STIX fonts do **NOT** currently have the math OpenType script. >> What this means is that they have nice collection of glyphs, but no >> special layout features, so they're pretty useless for actually >> typesetting something with them. The math script, aka MATH table, is a >> MS extension to OpenType. MS has not yet officially submitted any >> documentation for these math layout extensions -- and they are quite >> extensive -- not even in the draft 1.5/1.6 OpenType spec. Despite >> this, it is the de-facto OpenType math standard, and support for it >> has appeared in FOSS projects. >> >> These extensions are implemented only in the Cambria Math font (MS), >> and now in Asana Math (FOSS). Fonts using these extensions are >> currenly usable only in MS Office 2007 (and some other minor non-FOSS >> products), but out of the FOSS world only XeTeX supports them right >> now. LuaTeX is scheduled to add support by the end of this year, >> together with the release of the GUST Math font. >> >> On Wed, Aug 13, 2008 at 5:52 AM, Ignacio Vazquez-Abrams >> <ivazqueznet(a)gmail.com&gt; wrote: >>> On Wed, 2008-08-13 at 05:41 +0300, Vasile Gaburici wrote: >>>> It's nice to see that the first (& only?) FOSS OpenType math font, >>> >>> STIXFonts? Well, not quite FOSS yet, but soon hopefully... >>> >>> http://www.stixfonts.org/user_license.html >>> >>> -- >>> Ignacio Vazquez-Abrams <ivazqueznet(a)gmail.com&gt; >>> >> >

2008/8/13 Vasile Gaburici <vgaburici(a)gmail.com&gt;: > > The math script, aka MATH table, is a > MS extension to OpenType. MS has not yet officially submitted any > documentation for these math layout extensions -- and they are quite > extensive -- not even in the draft 1.5/1.6 OpenType spec. Despite > this, it is the de-facto OpenType math standard, and support for it > has appeared in FOSS projects. > > These extensions are implemented only in the Cambria Math font (MS), > and now in Asana Math (FOSS). AIUI, the MATH table in Cambria is developed specifically for Cambria and will not be a 100% fit for other fonts; this is hy MS hasnt done anything about documenting it properly. Dave

No, there actualy is some (unofficial?) MS documentation for MATH tables. It has been seen by both George Williams (fontforge) and Apostolos Syropoulos (asana).

On Wed, Aug 13, 2008 at 12:29 PM, Dave Crossland <dave(a)lab6.com&gt; wrote: > 2008/8/13 Vasile Gaburici <vgaburici(a)gmail.com&gt;: >> The math script, aka MATH table, is a >> MS extension to OpenType. MS has not yet officially submitted any >> documentation for these math layout extensions -- and they are quite >> extensive -- not even in the draft 1.5/1.6 OpenType spec. Despite >> this, it is the de-facto OpenType math standard, and support for it >> has appeared in FOSS projects. >> >> These extensions are implemented only in the Cambria Math font (MS), >> and now in Asana Math (FOSS). > AIUI, the MATH table in Cambria is developed specifically for Cambria > and will not be a 100% fit for other fonts; this is hy MS hasnt done > anything about documenting it properly. > > Dave > > _______________________________________________ Fedora-fonts-list mailing list Fedora-fonts-list(a)redhat.com https://www.redhat.com/mailman/listinfo/fedora-fonts-list

As for the "developed specifically for Cambria" that's a myth.

There's also some adjustment field, but fontforge crashes if you click on it :(