move fanyc tt tf etc ligatures from liga to dlig

src/Inter-Italic.glyphspackage/fontinfo.plist

@@ -2428,12 +2428,12 @@ code = "include(features/calt.fea);
 tag = calt;
 },
 {
-code = "include(features/dlig.fea);";
+code = "include(features/dlig.fea);
+";
 tag = dlig;
 },
 {
-code = "include(features/liga-classes.fea);
-include(features/liga.fea);
+code = "include(features/liga.fea);
 ";
 tag = liga;
 },
@@ -2644,17 +2644,6 @@ value = "";
 tag = ss05;
 },
 {
-code = "include(features/liga.fea);
-";
-labels = (
-{
-language = dflt;
-value = "Force enable ligatures";
-}
-);
-tag = ss06;
-},
-{
 code = "include(features/cv01-one.fea);";
 tag = cv01;
 },

src/Inter-Roman.glyphspackage/fontinfo.plist

@@ -740,6 +740,7 @@ iebrevecyrillic,
 eturn,
 _part.f_base,
 f,
+f.1,
 longs,
 slongstroke,
 slongdotaccent,
@@ -2428,13 +2429,13 @@ code = "include(features/calt.fea);
 tag = calt;
 },
 {
-code = "include(features/liga-classes.fea);
-include(features/liga.fea);
+code = "include(features/liga.fea);
 ";
 tag = liga;
 },
 {
-code = "include(features/dlig.fea);";
+code = "include(features/dlig.fea);
+";
 tag = dlig;
 },
 {
@@ -2646,17 +2647,6 @@ value = "";
 tag = ss05;
 },
 {
-code = "include(features/liga.fea);
-";
-labels = (
-{
-language = dflt;
-value = "Force enable ligatures";
-}
-);
-tag = ss06;
-},
-{
 code = "include(features/cv01-one.fea);";
 tag = cv01;
 },
@@ -2698,7 +2688,7 @@ code = "include(features/cv10-g-spur.fea);";
 tag = cv10;
 },
 {
-code = "cvParameters { FeatUILabelNameID { name \"Single-storey a\"; }; };
+code = "cvParameters { FeatUILabelNameID { name \"Single-story a\"; }; };
 include(features/cv11-single-storey-a.fea);
 ";
 tag = cv11;
@@ -3294,10 +3284,11 @@ stemValues = (
 userData = {
 GSCornerRadius = 180;
 GSOffsetCapStyle = 3;
-GSOffsetHorizontal = 85;
+GSOffsetHorizontal = 87;
 GSOffsetKeepCompatible = 1;
 GSOffsetMakeStroke = 1;
-GSOffsetVertical = 80;
+GSOffsetPosition = 1;
+GSOffsetVertical = 85;
 };
 },
 {
@@ -3577,9 +3568,10 @@ userData = {
 GSCornerRadius = 160;
 GSExtrudeAngle = 30;
 GSExtrudeOffset = 15;
-GSOffsetHorizontal = 150;
+GSOffsetHorizontal = 180;
 GSOffsetKeepCompatible = 1;
 GSOffsetMakeStroke = 1;
+GSOffsetPosition = 1;
 GSOffsetProportional = 1;
 GSOffsetVertical = 130;
 };
@@ -10013,7 +10005,7 @@ Psi = -93;
 "@MMK_R_bullet" = -46;
 "@MMK_R_comma" = -116;
 "@MMK_R_eight.sups" = 46;
-"@MMK_R_f" = -50;
+"@MMK_R_f" = -60;
 "@MMK_R_four" = -128;
 "@MMK_R_guillemetleft" = -81;
 "@MMK_R_hyphen" = -58;
@@ -10506,7 +10498,7 @@ underscore = -93;
 "@MMK_R_Y" = -32;
 "@MMK_R_a" = 20;
 "@MMK_R_bullet" = -23;
-"@MMK_R_f" = -70;
+"@MMK_R_f" = 0;
 "@MMK_R_four" = -29;
 "@MMK_R_hyphen" = -40;
 "@MMK_R_idblgrave" = 93;
@@ -10515,7 +10507,7 @@ underscore = -93;
 "@MMK_R_quotedblleft" = -81;
 "@MMK_R_quotedblright" = 58;
 "@MMK_R_s" = -20;
-"@MMK_R_t" = -80;
+"@MMK_R_t" = -70;
 "@MMK_R_v" = 60;
 "@MMK_R_w" = 50;
 "@MMK_R_zero.subs" = 69;

src/features/dlig-classes.fea

@@ -1,4 +1,4 @@
-# classes used by liga and ss06
+# classes used by dlig and ss06
 
 # left side "trigger" glyph for t.1 and f.1 sub
 @LIGA_L_t = [

src/features/dlig.fea

@@ -1,11 +1,42 @@
 # Discretionary Ligatures
-# https://docs.microsoft.com/en-us/typography/opentype/spec/features_ae#dlig
+# https://learn.microsoft.com/en-us/typography/opentype/spec/features_ae#dlig
 
 # Set IgnoreMarks to skip over marks in lookups.
 # For example, if we have /f/acutecomb/i, treat lookup as /f/i
 # https://learn.microsoft.com/en-us/typography/opentype/spec/chapter2#lookup-table
 lookupflag IgnoreMarks;
 
+# left side "trigger" glyph for t.1 and f.1 sub
+@DLIG_L_t = [
+  f f.1 fdotaccent feng
+
+  k khook kcommaaccent kcaron kacute kdotbelow klinebelow k.base
+
+  r rrthook uni024D rfishhook rdescend racute rcommaaccent rcaron
+  rdblgrave rinvertedbreve rdotaccent rdotbelow rdotbelowmacron rlinebelow
+
+  t t.1 tpalatalhook trthook tcurl tbar tcedilla tcaron tcommaaccent tdotaccent
+  tdotbelow tlinebelow tcircumflexbelow tdieresis
+
+  v vtilde vdotbelow
+
+  w wdieresis wcircumflex wgrave wacute wdotaccent wdotbelow wring
+
+  x xdotaccent xdieresis khacyrillic chi
+
+  y ydieresis uni024F yacute ycircumflex uni0233 ydotaccent yring ygrave ydotbelow
+  yhookabove ytilde ucyrillic ushortcyrillic umacroncyrillic udieresiscyrillic
+  uhungarumlautcyrillic yogonek y.sc
+];
+
+# ffi (note. f.i is sub'd by liga)
+sub f [ f f.i ]' i by f.i.1;
+
+# tt, ft, rt, tf, ff, ft ...
+sub @DLIG_L_t t' by t.1;
+sub @DLIG_L_t f' by f.1;
+
+# interrobang
 sub exclam question by interrobang;
 sub question exclam by interrobang;
 sub exclamdown questiondown by invertedinterrobang;

src/features/liga.fea

@@ -1,18 +1,11 @@
-# Standard Ligatures (also available via ss06)
+# Standard Ligatures
 # https://learn.microsoft.com/en-us/typography/opentype/spec/features_ko#liga
-#
-# Note: this code is included for both liga and ss06, thus classes like LIGA_L_t
-# are defined in a separate file: liga-classes.fea (classes are not namespaced)
-#
 
 # Set IgnoreMarks to skip over marks in lookups.
 # For example, if we have /f/acutecomb/i, treat lookup as /f/i
 # https://learn.microsoft.com/en-us/typography/opentype/spec/chapter2#lookup-table
 lookupflag IgnoreMarks;
 
-# ffi
-sub f f' i by f.i.1;
-
 # fi
 sub f' [
   i idotless idotless.double itildebelow ibar igrave iacute iogonek
@@ -20,7 +13,3 @@ sub f' [
 
   j jdotless jdotlessbar uni0249 uni0249.ccmp jcrosstail yotgreek jecyrillic
 ] by f.i;
-
-# tt, ft, rt, tf, ff, ft, etc.
-sub @LIGA_L_t t' by t.1;
-sub @LIGA_L_t f' by f.1;