4daf0601b2
In earlier versions of the OpenType Feature File Format specification, the example was mal-formed so we had invented our own test case. Adobe has kindly fixed the format specification: https://github.com/adobe-type-tools/afdko/issues/88 This change revealed a bug in the parser where mark classes did not get recognized as glyph classes; this is now fixed, too.
25 lines
659 B
Plaintext
25 lines
659 B
Plaintext
# OpenType Feature File specification, section 6.h.ii:
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# Specifying Contextual Positioning with explicit lookup references
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# http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html
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languagesystem DFLT dflt;
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markClass [acute grave] <anchor 150 -10> @ALL_MARKS;
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lookup CNTXT_PAIR_POS {
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position T o -10;
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position T c -12;
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} CNTXT_PAIR_POS;
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lookup CNTXT_MARK_TO_BASE {
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position base o <anchor 250 450> mark @ALL_MARKS;
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position base c <anchor 250 450> mark @ALL_MARKS;
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} CNTXT_MARK_TO_BASE;
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feature test {
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position
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T' lookup CNTXT_PAIR_POS
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[o c]'
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@ALL_MARKS' lookup CNTXT_MARK_TO_BASE;
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} test;
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