Sascha Brawer a543b2e3b9 [feaLib] Support compact syntax for chaining to single substitutions
Resolves https://github.com/behdad/fonttools/issues/445 for single
substitutions. The compact forms for chaining to other GSUB types
are not yet supported; these will get fixed in follow-up changes.
2016-01-06 16:15:26 +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 {
substitute [A-Z] [A.sc-Z.sc]' by [a-z];
} test;