Support descriptive names for Stylistic Sets

[theFontfitter]

I am still trying to discover how to create "ss01" without any descriptive name to hold my 'salt' characters so that features display in apps. FontLab offers nothing on the subject in the manual nor is there anything I can find on the net.

I've created Classes 'salt1' and 'salt2' and added this the the salt code:
feature salt { # Stylistic Alternates
# Latin
sub @salt1 by @salt2;
} salt;

But no Stylistic Alternatievs or Sets are being recognized in Word(Windows), TextEdit or XPress(Mac).
Can anyone tell me how to do that?

Many thanks if you can,
Adrian

[Luc[as]]

feature ss01 {
 sub a by a.001;
} ss01;

However, [salt] works in Illustrator, and [ss01] works in InDesign. Hilarious.
For Word or Quark you'll have to make a copy of the font with the alternates as default. Which works in both Illustrator and InDesign as well :-)

[Luc[as]]

In Word 2010 beta, stylistic sets are working, more or less. Make feature ss01 etc.

[Adam Twardoch (FontLab)]

Note that (I believe) Area51 uses Compositor (http://code.typesupply.com/wiki/Compositor ), an OpenType Layout engine written by Tal Leming in Python. Unlike Microsoft Uniscribe, Bitstream Panorama, Monotype WorldType, ICU Layout, HarfBuzz or the Adobe Multilingual OpenType Layout engine included in InDesign CS4, Compositor does not support all of OpenType Layout. In particular, in supports no shaping for complex scripts (which is a very core element of OpenType Layout). Also, in general, the degree of support of OpenType Layout in ALL OpenType Layout engines mentioned above (including Compositor) varies heavily. One should not expect that a certain fonts are "wrong" or "right" only if a particular OpenType Layout engine works with them fine. The only thing one can say definitely is: "the OpenType Layout features in this font work/do not work in this particular version of this particular layout engine".

That said, I would not be surprised if Compositor used in Area51 may have problems processing named stylistic sets, since it's a very recent addition to the OpenType standard.

Best,
Adam

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