Fix serifs of italic small Yat in Etoile (#2067).

changes/27.3.3.md

@@ -1 +1,2 @@
 * Make `cv96` take effect on math asterisk operators (#2066).
+* Fix serifs of italic small Yat in Etoile (#2067).

font-src/glyphs/letter/cyrillic/nje.ptl

@@ -1,7 +1,7 @@
 $$include '../../../meta/macros.ptl'
 
 import [mix linreg clamp fallback] from"../../../support/utils.mjs"
-import [DependentSelector CvDecompose] from"../../../support/gr.mjs"
+import [DependentSelector] from"../../../support/gr.mjs"
 
 glyph-module
 

font-src/glyphs/letter/cyrillic/yat.ptl

@@ -1,6 +1,7 @@
 $$include '../../../meta/macros.ptl'
 
 import [mix linreg clamp fallback] from"../../../support/utils.mjs"
+import [DependentSelector] from"../../../support/gr.mjs"
 
 glyph-module
 
@@ -8,11 +9,11 @@ glyph-block Letter-Cyrillic-Yat : begin
 	glyph-block-import CommonShapes
 	glyph-block-import Common-Derivatives
 	glyph-block-import Mark-Adjustment : ExtendAboveBaseAnchors
+	glyph-block-import Letter-Shared : CreateDependentComposite
 	glyph-block-import Letter-Shared-Metrics : BowlXDepth
 	glyph-block-import Letter-Shared-Shapes : LetterBarOverlay
 	glyph-block-import Letter-Cyrillic-Yeri : YeriConfig
 	glyph-block-import Letter-Cyrillic-Iotified-A : Iotified
-	glyph-block-import Letter-Shared-Shapes : nShoulderKnots
 
 	define [xBarLeft df] : Math.max (df.rightSB - (RightSB - SB)) : if SLAB
 		Just ([mix df.leftSB df.rightSB 0.35] - [HSwToV : 0.5 * df.mvs])
@@ -109,6 +110,8 @@ glyph-block Letter-Cyrillic-Yat : begin
 			eject-contour 'serifYeriLT'
 			eject-contour 'serifYeriLB'
 
+			DependentSelector.set currentGlyph : if (suffix === "corner") 'full' 'reduced'
+
 	select-variant 'cyrl/Yat' 0x462 (follow -- 'cyrl/YeriBar')
 	select-variant 'cyrl/yat.upright' (follow -- 'cyrl/yeriBar')
 	select-variant 'cyrl/yatTall' 0x1C87 (follow -- 'cyrl/yeriBar')
@@ -117,5 +120,8 @@ glyph-block Letter-Cyrillic-Yat : begin
 	select-variant 'cyrl/yatIotified' 0xA653 (follow -- 'cyrl/yeriBar')
 
 	select-variant 'cyrl/yat.italic/yeri' (follow -- 'cyrl/yeriBar')
-	derive-composites 'cyrl/yat.italic' null 'cyrl/yat.italic/base' 'cyrl/yat.italic/yeri'
+	CreateDependentComposite 'cyrl/yat.italic' null 'cyrl/yat.italic/yeri' : object
+		full    'cyrl/yat.italic/base/corner'
+		reduced 'cyrl/yat.italic/base/cursive'
+
 	alias 'latn/yatSakha.italic' null 'cyrl/yat.italic'

font-src/glyphs/letter/latin/lower-n.ptl

@@ -106,13 +106,20 @@ glyph-block Letter-Latin-Lower-N : begin
 					__                                                        NTopLeftSerif
 				begin NBottomLeftSerif
 				if (tail != 'tailed') NBottomRightSerifUpright
-			serifedItalicYat : list
+			serifedItalicYatCorner : list
 				match body
 					([Just "earlessCorner"] || [Just "earlessRounded"])       nothing
 					([Just "earlessCornerHTB"] || [Just "earlessRoundedHTB"]) NHTB
 					__                                                        NTopLeftSerif
 				begin NBottomLeftYatSerif
 				begin NBottomRightYatSerif
+			serifedItalicYatCursive : list
+				match body
+					([Just "earlessCorner"] || [Just "earlessRounded"])       nothing
+					([Just "earlessCornerHTB"] || [Just "earlessRoundedHTB"]) NHTB
+					__                                                        NTopLeftSerif
+				begin NBottomLeftYatSerif
+				begin nothing
 
 	foreach { suffix { Body tailed {sLT sLB sRB} } } [Object.entries NConfig] : do
 		create-glyph "n.\(suffix)" : glyph-proc
@@ -275,7 +282,8 @@ glyph-block Letter-Latin-Lower-N : begin
 
 	select-variant 'cyrl/peMidHook.italic' (follow -- 'cyrl/pe.italic')
 
-	select-variant 'cyrl/yat.italic/base'
+	select-variant 'cyrl/yat.italic/base/corner' (shapeFrom -- 'cyrl/yat.italic/base')
+	select-variant 'cyrl/yat.italic/base/cursive' (shapeFrom -- 'cyrl/yat.italic/base')
 
 	do "n with Apostrophe"
 		derive-glyphs 'nApostrophe/comma' null 'commaAbove/asPunctuation' : function [src gr] : glyph-proc

params/variants.toml

@@ -2946,7 +2946,8 @@ selectorAffix."grek/eta" = ""
 selectorAffix."grek/eta/sansSerif" = ""
 selectorAffix."cyrl/pe.italic" = ""
 selectorAffix."cyrl/peItalicDescBase" = ""
-selectorAffix."cyrl/yat.italic/base" =  ""
+selectorAffix."cyrl/yat.italic/base/corner" =  ""
+selectorAffix."cyrl/yat.italic/base/cursive" =  ""
 
 [prime.n.variants-buildup.stages.body.earless-corner]
 rank = 2
@@ -2962,7 +2963,8 @@ selectorAffix."grek/eta" = "earlessCorner"
 selectorAffix."grek/eta/sansSerif" = "earlessCorner"
 selectorAffix."cyrl/pe.italic" = ""
 selectorAffix."cyrl/peItalicDescBase" = ""
-selectorAffix."cyrl/yat.italic/base" = ""
+selectorAffix."cyrl/yat.italic/base/corner" = ""
+selectorAffix."cyrl/yat.italic/base/cursive" = ""
 
 [prime.n.variants-buildup.stages.body.earless-rounded]
 rank = 3
@@ -2978,7 +2980,8 @@ selectorAffix."grek/eta" = "earlessRounded"
 selectorAffix."grek/eta/sansSerif" = "earlessRounded"
 selectorAffix."cyrl/pe.italic" = ""
 selectorAffix."cyrl/peItalicDescBase" = ""
-selectorAffix."cyrl/yat.italic/base" = ""
+selectorAffix."cyrl/yat.italic/base/corner" = ""
+selectorAffix."cyrl/yat.italic/base/cursive" = ""
 
 [prime.n.variants-buildup.stages.terminal."*"]
 next = "serifs"
@@ -2997,7 +3000,8 @@ selectorAffix."grek/eta" = "straight"
 selectorAffix."grek/eta/sansSerif" = "straight"
 selectorAffix."cyrl/pe.italic" = "straight"
 selectorAffix."cyrl/peItalicDescBase" = "straight"
-selectorAffix."cyrl/yat.italic/base" = "straight"
+selectorAffix."cyrl/yat.italic/base/corner" = "straight"
+selectorAffix."cyrl/yat.italic/base/cursive" = "straight"
 
 [prime.n.variants-buildup.stages.terminal.tailed]
 rank = 2
@@ -3013,7 +3017,8 @@ selectorAffix."grek/eta" = "straight"
 selectorAffix."grek/eta/sansSerif" = "straight"
 selectorAffix."cyrl/pe.italic" = "tailed"
 selectorAffix."cyrl/peItalicDescBase" = "straight"
-selectorAffix."cyrl/yat.italic/base" = "straight"
+selectorAffix."cyrl/yat.italic/base/corner" = "straight"
+selectorAffix."cyrl/yat.italic/base/cursive" = "straight"
 
 [prime.n.variants-buildup.stages.serifs.serifless]
 rank = 1
@@ -3030,7 +3035,8 @@ selectorAffix."grek/eta" = "serifless"
 selectorAffix."grek/eta/sansSerif" = "serifless"
 selectorAffix."cyrl/pe.italic" = "serifless"
 selectorAffix."cyrl/peItalicDescBase" = "serifless"
-selectorAffix."cyrl/yat.italic/base" = "serifless"
+selectorAffix."cyrl/yat.italic/base/corner" = "serifless"
+selectorAffix."cyrl/yat.italic/base/cursive" = "serifless"
 
 [prime.n.variants-buildup.stages.serifs.top-left-serifed]
 rank = 2
@@ -3047,7 +3053,8 @@ selectorAffix."grek/eta" = "topLeftSerifed"
 selectorAffix."grek/eta/sansSerif" = "serifless"
 selectorAffix."cyrl/pe.italic" = "topLeftSerifed"
 selectorAffix."cyrl/peItalicDescBase" = "topLeftSerifed"
-selectorAffix."cyrl/yat.italic/base" = "topLeftSerifed"
+selectorAffix."cyrl/yat.italic/base/corner" = "topLeftSerifed"
+selectorAffix."cyrl/yat.italic/base/cursive" = "topLeftSerifed"
 
 [prime.n.variants-buildup.stages.serifs.motion-serifed]
 rank = 3
@@ -3064,7 +3071,8 @@ selectorAffix."grek/eta" = { if = [{ body = "normal" }], then = "topLeftSerifed"
 selectorAffix."grek/eta/sansSerif" = "serifless"
 selectorAffix."cyrl/pe.italic" = "motionSerifed"
 selectorAffix."cyrl/peItalicDescBase" = "topLeftSerifed"
-selectorAffix."cyrl/yat.italic/base" = "topLeftSerifed"
+selectorAffix."cyrl/yat.italic/base/corner" = "topLeftSerifed"
+selectorAffix."cyrl/yat.italic/base/cursive" = "topLeftSerifed"
 
 [prime.n.variants-buildup.stages.serifs.serifed]
 rank = 4
@@ -3080,7 +3088,8 @@ selectorAffix."grek/eta" = { if = [{ body = "normal" }], then = "topLeftSerifed"
 selectorAffix."grek/eta/sansSerif" = "serifless"
 selectorAffix."cyrl/pe.italic" = "serifed"
 selectorAffix."cyrl/peItalicDescBase" = "serifed"
-selectorAffix."cyrl/yat.italic/base" = "serifedItalicYat"
+selectorAffix."cyrl/yat.italic/base/corner" = "serifedItalicYatCorner"
+selectorAffix."cyrl/yat.italic/base/cursive" = "serifedItalicYatCursive"