mhosken 7a0c5e1ca2 Add fea generation support (#776)
* First round of adding fea output

No format tests but all test files give reasonable output so far.

* Get existing tests working

* Initial tests that work for fea2fea

* Get more tests working

Bug fixes and re-layout some tests to compare with fea2fea output.
Ranges and name parameters are not optimised yet.

* Handle vertical default values in fea2fea

* Hide fea2fea differences in lookupflags

* No reduce() in py3 so use a for loop
2016-12-20 11:10:29 +01:00

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# OpenType Feature File specification, section 5.f.i, example 2
# "Specifying a Chain Sub rule and marking sub-runs"
# http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html
languagesystem latn dflt;
feature test {
#test-fea2fea: lookupflag RightToLeft IgnoreBaseGlyphs IgnoreLigatures;
lookupflag 7;
sub [a e n] d' by d.alt;
} test;