Draft: Add variant selectors For Cyrillic Lower A/Ve.

build-plans.toml

@@ -706,10 +706,9 @@ eszet = "longs-s-lig-serifless"
 lower-iota = "flat-tailed"
 lower-lambda = "straight-turn"
 lower-tau = "short-tailed"
+cyrl-a = "double-storey-serifless"
 cyrl-u = "straight-serifless"
 cyrl-ef = "split-serifless"
-cyrl-yeri = "corner"
-cyrl-yery = "corner"
 four = "closed-serifless"
 six = "closed-contour"
 nine = "closed-contour"

changes/30.4.0.md

@@ -1 +1,2 @@
+* Add separate variant selectors For Cyrillic Lower A/Ve (`VXAF`, `VXAG`).
 * Optimize the shape of rounded `e` (#2424).

packages/font-glyphs/src/letter/cyrillic/iotified-a.ptl

@@ -171,5 +171,5 @@ glyph-block Letter-Cyrillic-Iotified-A : begin
 				include : Iotified.full df XH df.middle (XH / 2)
 
 	select-variant 'cyrl/AIotified' 0xA656 (follow -- 'A')
-	select-variant 'cyrl/aIotified' 0xA657 (follow -- 'a')
+	select-variant 'cyrl/aIotified' 0xA657 (follow -- 'cyrl/a')
 	select-variant 'latn/eIotified' 0xAB61 (follow -- 'e')

packages/font-glyphs/src/letter/cyrillic/orthography.ptl

@@ -8,7 +8,6 @@ glyph-block Letter-Cyrillic-Orthography : begin
 	glyph-block-import Common-Derivatives
 	glyph-block-import Letter-Shared : CreateAccentedComposition
 
-	orthographic-italic 'cyrl/ve'             0x432
 	orthographic-italic 'cyrl/ghe'            0x433
 	orthographic-italic 'cyrl/de'             0x434
 	orthographic-italic 'cyrl/i'              0x438

packages/font-glyphs/src/letter/latin-ext/lower-ae-oe.ptl

@@ -404,6 +404,7 @@ glyph-block Letter-Latin-Lower-AE-OE : begin
 	select-variant "ue/u"
 	select-variant "au/u" (follow -- [if [MEnoughSpaceForFullSerifs : dfM] 'au/u/full' 'au/u/reduced'])
 	select-variant "oeOpenO/left" (follow -- 'c')
+	select-variant "cyrl/ae/a" (shapeFrom -- 'ae/a')
 	select-variant "cyrl/yae/left"
 	select-variant "cyrl/rha/left" (follow -- 'cyrl/er')
 	select-variant "cyrl/rha/right"
@@ -418,13 +419,13 @@ glyph-block Letter-Latin-Lower-AE-OE : begin
 	derive-composites 'oo' 0xA74F 'oe/o' 'ao/o'
 	derive-composites 'uo' 0xAB63 'ue/u' 'ao/o'
 	derive-composites 'oeOpenO' 0xAB62 'oeOpenO/left' 'ae/e'
-	derive-composites 'aeInvE' 0xAB31 'ae/a' 'aeInvE/right'
-	derive-composites 'oeInv' 0xAB40 'oe/o' 'aeInvE/right'
+	derive-composites 'aeInvE'  0xAB31 'ae/a' 'aeInvE/right'
+	derive-composites 'oeInv'   0xAB40 'oe/o' 'aeInvE/right'
+	derive-composites 'cyrl/ae'  0x4D5 'cyrl/ae/a'     'ae/e'
 	derive-composites 'cyrl/lha' 0x515 'cyrl/lha/left' 'cyrl/lha/right'
 	derive-composites 'cyrl/Lha' 0x514 'cyrl/Lha/left' 'cyrl/Lha/right'
 	derive-composites 'cyrl/yae' 0x519 'cyrl/yae/left' 'ae/e'
 
-	alias 'cyrl/ae' 0x4D5  'ae'
 	alias 'cyrl/oo' 0xA699 'oo'
 
 	CreateTurnedLetter 'turnae' 0x1D02 'ae' HalfAdvance (XH / 2) [DivFrame para.diversityM 3]

packages/font-glyphs/src/letter/latin/lower-a.ptl

@@ -292,7 +292,7 @@ glyph-block Letter-Latin-Lower-A : begin
 	link-reduced-variant 'a/sansSerif' 'a' MathSansSerif
 	link-reduced-variant 'a/rtailBase' 'a'
 	link-reduced-variant 'a/turnABase' 'a'
-	alias 'cyrl/a' 0x430 'a'
+	select-variant 'cyrl/a' 0x430 (shapeFrom -- 'a')
 
 	CreateTurnedLetter 'turna' 0x250 'a/turnABase' HalfAdvance (XH / 2)
 

packages/font-glyphs/src/letter/latin/upper-b.ptl

@@ -149,12 +149,12 @@ glyph-block Letter-Latin-Upper-B : begin
 			include [refer-glyph "B.\(suffix)"] AS_BASE ALSO_METRICS
 			include : BOverlayBar CAP bp
 
-		if (!fAsymmetric) : create-glyph "smcpB.\(suffix)" : glyph-proc
+		if (!fAsymmetric) : create-glyph "cyrl/ve.\(suffix)" : glyph-proc
 			include : MarkSet.e
 			include : body XH [AdviceStroke2 2 3 XH] ts bs
 
 		if (!fGap && !fAsymmetric) : create-glyph "smcpBBar.\(suffix)" : glyph-proc
-			include [refer-glyph "smcpB.\(suffix)"] AS_BASE ALSO_METRICS
+			include [refer-glyph "cyrl/ve.\(suffix)"] AS_BASE ALSO_METRICS
 			include : BOverlayBar XH bp
 
 		create-glyph "currency/baht.\(suffix)" : union
@@ -185,26 +185,12 @@ glyph-block Letter-Latin-Upper-B : begin
 	alias-reduced-variant 'grek/Beta/sansSerif' 'grek/Beta' 'B/sansSerif' MathSansSerif
 	alias 'cyrl/Ve' 0x412 'B'
 
-	select-variant 'smcpB' 0x299
-	alias 'cyrl/ve.upright' null 'smcpB'
-
 	select-variant 'BBar'
 	select-variant 'smcpBBar' 0x1D03
 
 	select-variant 'Bhookleft' 0x181
 
-	create-glyph 'mathbb/B' 0x1D539 : glyph-proc
-		include : MarkSet.capital
-		include : union
-			BShape CAP (stroke -- BBS) (serifs -- false)
-			intersection
-				BShapeMask CAP (stroke -- BBS)
-				union
-					VBar.r (RightSB - BBD - OX * 2) 0 (CAP * BBarPos) BBS
-					VBar.r ([mix SB RightSB BArcMix] - BBD - OX * 2) (CAP * BBarPos) CAP BBS
-					VBar.l (SB + BBD) 0 CAP BBS
-
-	define [ItalicCyrveShape top] : glyph-proc
+	define [CursiveCyrveShape top] : glyph-proc
 		local stroke : AdviceStroke2 2 3 top
 		local mid : mix RightSB SB 0.65
 		local midy : top * HBarPos
@@ -226,15 +212,30 @@ glyph-block Letter-Latin-Upper-B : begin
 			flat Middle (midy + (fine - stroke / 2)) [widths.heading fine 0 Leftward]
 			curl mid (midy + (fine - stroke / 2)) [widths.heading fine 0 Leftward]
 
-	create-glyph 'cyrl/ve.italic' : glyph-proc
+	create-glyph 'cyrl/ve.cursive' : glyph-proc
 		include : MarkSet.e
-		include : ItalicCyrveShape XH
+		include : CursiveCyrveShape XH
 
-	create-glyph 'grek/betaSymbol' 0x3D0 : glyph-proc
+	create-glyph 'cyrl/ve.cursiveTall' : glyph-proc
 		include : MarkSet.b
-		include : ItalicCyrveShape Ascender
+		include : CursiveCyrveShape Ascender
 
-	alias 'cyrl/ve.BGR' null 'grek/betaSymbol'
+	select-variant 'cyrl/ve' 0x432
+	select-variant 'smcpB'   0x299 (shapeFrom -- 'cyrl/ve')
+
+	alias 'grek/betaSymbol' 0x3D0 'cyrl/ve.cursiveTall'
+	alias 'cyrl/ve.BGR'     null  'cyrl/ve.cursiveTall'
+
+	create-glyph 'mathbb/B' 0x1D539 : glyph-proc
+		include : MarkSet.capital
+		include : union
+			BShape CAP (stroke -- BBS) (serifs -- false)
+			intersection
+				BShapeMask CAP (stroke -- BBS)
+				union
+					VBar.r (RightSB - BBD - OX * 2) 0 (CAP * BBarPos) BBS
+					VBar.r ([mix SB RightSB BArcMix] - BBD - OX * 2) (CAP * BBarPos) CAP BBS
+					VBar.l (SB + BBD) 0 CAP BBS
 
 	create-glyph 'grek/beta' 0x3B2 : glyph-proc
 		include : MarkSet.bp