8d1930a27a
According to the spec: > The lookupflag attribute defaults to 0 at the start of a feature > block. > > The lookupflag attribute stays the same until explicitly changed, until > a lookup reference statement is encountered that changes it, until the > script is changed, or until the end of the feature. This is an attempt to fix this by resetting the lookupflag at the start and end of feature/lookup blacks. I’m not sure if resetting it in lookup blocks is correct (my reading of the spec suggests it is not), but one needs to test this against makeotf and see how it behaves here.
84 lines
1.4 KiB
Plaintext
84 lines
1.4 KiB
Plaintext
languagesystem DFLT dflt;
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@TOP_MARKS = [acute grave macron];
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markClass [cedilla ogonek] <anchor 350 -20> @BOTTOM_MARKS;
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@FRENCH_MARKS = [acute grave cedilla dieresis circumflex];
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lookup A {
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lookupflag RightToLeft;
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pos one 1;
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} A;
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lookup B {
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lookupflag IgnoreBaseGlyphs;
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pos two 2;
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} B;
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lookup C {
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lookupflag IgnoreLigatures;
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pos four 4;
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} C;
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lookup D {
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lookupflag 7;
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pos seven 7;
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} D;
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lookup E {
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lookupflag IgnoreMarks;
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pos eight 8;
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} E;
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lookup F {
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lookupflag MarkAttachmentType @TOP_MARKS;
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pos F 1;
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} F;
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lookup G {
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lookupflag MarkAttachmentType @BOTTOM_MARKS;
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pos G 1;
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} G;
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lookup H {
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lookupflag IgnoreLigatures MarkAttachmentType @TOP_MARKS;
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pos H 1;
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} H;
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lookup I {
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lookupflag UseMarkFilteringSet @TOP_MARKS;
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pos I 1;
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} I;
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lookup J {
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# @FRENCH_MARKS overlaps with @TOP_MARKS.
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# Other than with MarkAttachmentType, the same glyph may appear
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# in multiple glyphsets for UseMarkFilteringSet. Make sure that
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# our implementation can handle this.
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lookupflag UseMarkFilteringSet @FRENCH_MARKS;
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pos J 1;
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} J;
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lookup K {
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lookupflag IgnoreLigatures UseMarkFilteringSet @TOP_MARKS;
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pos K 1;
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} K;
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lookup L {
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pos L 1;
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} L;
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feature test {
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lookup A;
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lookup B;
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lookup C;
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lookup D;
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lookup E;
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lookup F;
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lookup G;
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lookup H;
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lookup I;
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lookup J;
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lookup K;
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lookup L;
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} test;
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