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Glyphs.app can generate the following:
```
feature aalt {
sub Eng by Eng.alt1;
sub Eng by Eng.alt2;
sub Eng by Eng.alt3;
} aalt;
```
Now, feaLib has implemented the special handling for …
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What would you think about adding the following to [features.html](http://unifiedfontobject.org/versions/ufo3/features.html)?
> If a feature file is present, it must be self-contained; for example, a…
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```
The Type1/CFF CharString interpreter code in the Adobe Type Manager Font Driver
(ATMFD.DLL) Windows kernel module does not check if the input stream pointer
has not gone beyond the end of the so…
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Consider the following feature file:
```
@FIGURES_DEFAULT = [zero one two three four five six seven eight nine];
@FIGURES_INFERIOR = [zero.subs one.subs two.subs three.subs four.subs five.subs six.su…
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The following lookup is compiled to an empty `` by feaLib, but to a `` with a zero `XAdvance` value by FDK:
```
feature kern {
enum pos [D E] f 0;
} kern;
```
This is no big deal -- it's a prett…
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Hi, @Tarobish
I need you to do some things for me:
1. Clean up the "Generated" directory. Delete everything but the `Documents` directory:
- Mirza-Bold.ufo
- Mirza-Regular.ufo
- UFO -Kerni…
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I’m adding a kern feature in FontLab with `WriteFeaturesKernFDK.py`. The resulting kern feature code generates warnings when compiling the font (as well as in FL or with makeotf). This is the generate…
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```
The Adobe Type Manager Font Driver (ATMFD.DLL) used by the Windows kernel to
handle Type1 (.PFB + .PFM) and OpenType (.OTF) fonts does not limit the number
of state machine instructions which ca…
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I can't find anything in the specification about this, but I think multiple single substitution rules for a glyph should be legal within the same feature. For example when the following is compiled:
…
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```
The Adobe Type Manager Font Driver (ATMFD.DLL) used by the Windows kernel to
handle Type1 (.PFB + .PFM) and OpenType (.OTF) fonts does not limit the number
of state machine instructions which ca…