* Add characters:

- CYRILLIC CAPITAL LETTER DCHE (`U+052C`) (#1897).
  - CYRILLIC SMALL LETTER DCHE (`U+052D`) (#1897).

changes/27.1.0.md

@@ -1 +1,4 @@
+* Add characters:
+  - CYRILLIC CAPITAL LETTER DCHE (`U+052C`) (#1897).
+  - CYRILLIC SMALL LETTER DCHE (`U+052D`) (#1897).
 * Add separate variant selector `VXAA` for Cyrillic Lower U (`у`) (#2006).

font-src/glyphs/letter/cyrillic.ptl

@@ -4,8 +4,8 @@ export : define [apply] : begin
 	define $$Capture$$ this
 	run-glyph-module "./cyrillic/abk-ha.mjs"
 	run-glyph-module "./cyrillic/big-yus.mjs"
-	run-glyph-module "./cyrillic/che.mjs"
 	run-glyph-module "./cyrillic/de.mjs"
+	run-glyph-module "./cyrillic/che.mjs"
 	run-glyph-module "./cyrillic/dje.mjs"
 	run-glyph-module "./cyrillic/djerv.mjs"
 	run-glyph-module "./cyrillic/dzhe.mjs"

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

@@ -7,9 +7,10 @@ glyph-module
 glyph-block Letter-Cyrillic-Che : begin
 	glyph-block-import CommonShapes
 	glyph-block-import Common-Derivatives
-	glyph-block-import Mark-Adjustment : LeaningAnchor
+	glyph-block-import Mark-Adjustment : LeaningAnchor ExtendBelowBaseAnchors
 	glyph-block-import Letter-Shared-Shapes : SerifFrame RightwardTailedBar DToothlessRise
-	glyph-block-import Letter-Shared-Shapes : CyrDescender
+	glyph-block-import Letter-Shared-Shapes : CyrDescender BottomExtension
+	glyph-block-import Letter-Cyrillic-De : CyrDeBottom
 
 	define BODY-STRAIGHT 0
 	define BODY-TAILED   1
@@ -17,13 +18,12 @@ glyph-block Letter-Cyrillic-Che : begin
 	define SLAB-NONE        0
 	define SLAB-ALL         1
 	define SLAB-LOWER       2
-	define SLAB-TAILED-U    3
+	define SLAB-TOP    3
 	define SLAB-TAILED-I    4
 	define SLAB-ALL-BGR     5
 	define SLAB-TAILED-BGR  6
 
 	define [CyrCheShape top pyBar bodyType slabType] : glyph-proc
-		include : LeaningAnchor.Below.VBar.r RightSB
 		local bar : top * [fallback pyBar 0.5]
 		include : match bodyType
 			[Just BODY-TAILED] : RightwardTailedBar RightSB 0 top
@@ -38,7 +38,7 @@ glyph-block Letter-Cyrillic-Che : begin
 		local sf : SerifFrame.fromDf [DivFrame 1] top 0
 		include : tagged 'serifLT' : match slabType
 			[Just SLAB-ALL]        sf.lt.full
-			[Just SLAB-TAILED-U]   sf.lt.full
+			[Just SLAB-TOP]        sf.lt.full
 			[Just SLAB-ALL-BGR]    sf.lt.outer
 			[Just SLAB-TAILED-BGR] sf.lt.outer
 			[Just SLAB-LOWER]      sf.lt.outer
@@ -46,7 +46,7 @@ glyph-block Letter-Cyrillic-Che : begin
 			__                   : glyph-proc
 		include : tagged 'SerifRT' : match slabType
 			[Just SLAB-ALL]        sf.rt.full
-			[Just SLAB-TAILED-U]   sf.rt.full
+			[Just SLAB-TOP]        sf.rt.full
 			[Just SLAB-ALL-BGR]    sf.rt.inner
 			[Just SLAB-TAILED-BGR] sf.rt.inner
 			__                   : glyph-proc
@@ -58,6 +58,7 @@ glyph-block Letter-Cyrillic-Che : begin
 
 	create-glyph 'cyrl/Che' 0x427 : glyph-proc
 		include : MarkSet.capital
+		include : LeaningAnchor.Below.VBar.r RightSB
 		include : CyrCheShape CAP [if SLAB 0.45 0.35] BODY-STRAIGHT : if SLAB SLAB-ALL SLAB-NONE
 
 	create-glyph 0x4B6 : composite-proc
@@ -69,21 +70,25 @@ glyph-block Letter-Cyrillic-Che : begin
 
 	create-glyph 'cyrl/che.standard' : glyph-proc
 		include : MarkSet.e
+		include : LeaningAnchor.Below.VBar.r RightSB
 		include : CyrCheShape XH [if SLAB 0.45 0.4] BODY-STRAIGHT
 			if SLAB [if para.isItalic SLAB-LOWER SLAB-ALL] SLAB-NONE
 
 	create-glyph 'cyrl/che.tailed' : glyph-proc
 		include : MarkSet.e
+		include : LeaningAnchor.Below.VBar.r RightSB
 		include : CyrCheShape XH [if SLAB 0.45 0.4] BODY-TAILED
-			if SLAB [if para.isItalic SLAB-TAILED-I SLAB-TAILED-U] SLAB-NONE
+			if SLAB [if para.isItalic SLAB-TAILED-I SLAB-TOP] SLAB-NONE
 
 	create-glyph 'cyrl/che.BGR.standard' : glyph-proc
 		include : MarkSet.e
+		include : LeaningAnchor.Below.VBar.r RightSB
 		include : CyrCheShape XH [if SLAB 0.45 0.4] BODY-STRAIGHT
 			if SLAB [if para.isItalic SLAB-LOWER SLAB-ALL-BGR] SLAB-NONE
 
 	create-glyph 'cyrl/che.BGR.tailed' : glyph-proc
 		include : MarkSet.e
+		include : LeaningAnchor.Below.VBar.r RightSB
 		include : CyrCheShape XH [if SLAB 0.45 0.4] BODY-TAILED
 			if SLAB [if para.isItalic SLAB-TAILED-I SLAB-TAILED-BGR] SLAB-NONE
 
@@ -107,3 +112,25 @@ glyph-block Letter-Cyrillic-Che : begin
 
 	derive-composites 'cyrl/CheVBar' 0x4B8 'cyrl/Che' [ChrVBar CAP]
 	derive-composites 'cyrl/cheVBar' 0x4B9 'cyrl/che' [ChrVBar XH]
+
+	create-glyph 'cyrl/Dche' 0x52C : glyph-proc
+		include : MarkSet.capital
+		include : ExtendBelowBaseAnchors BottomExtension
+		include : CyrCheShape CAP [if SLAB 0.5 0.4] BODY-STRAIGHT : if SLAB SLAB-TOP SLAB-NONE
+		include : CyrDeBottom SB RightSB
+
+		local fine : AdviceStroke 3.5
+		include : dispiro
+			flat SB Stroke [widths.rhs fine]
+			curl (RightSB - [HSwToV Stroke]) (CAP - [if SLAB Stroke 0])
+
+	create-glyph 'cyrl/dche' 0x52D : glyph-proc
+		include : MarkSet.capital
+		include : ExtendBelowBaseAnchors BottomExtension
+		include : CyrCheShape XH [if SLAB 0.5 0.4] BODY-STRAIGHT : if SLAB SLAB-TOP SLAB-NONE
+		include : CyrDeBottom SB RightSB
+
+		local fine : AdviceStroke 3.5
+		include : dispiro
+			flat SB Stroke [widths.rhs fine]
+			curl (RightSB - [HSwToV Stroke]) (XH - [if SLAB Stroke 0])

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

@@ -10,32 +10,42 @@ glyph-block Letter-Cyrillic-De : begin
 	glyph-block-import Mark-Adjustment : ExtendBelowBaseAnchors
 	glyph-block-import Letter-Greek-Lower-Epsilon : CyrZe EpsilonConfig
 
+	glyph-block-export BottomExtension
 	local BottomExtension : 0.25 * Stroke - LongJut
 
+	glyph-block-export CyrDeBottom
+	define [CyrDeBottom left right _sw _desc] : glyph-proc
+		local descenderOverflow : if SLAB SideJut ((right - left) * 0.075)
+		local xTopLeft : mix left right : StrokeWidthBlend 0.15 0.1
+		local xTopRight : mix left right : StrokeWidthBlend 0.95 0.96
+		local swOuter : fallback _sw Stroke
+		local desc : fallback _desc BottomExtension
+
+		include : HBar.b xTopLeft xTopRight 0 swOuter
+		include : tagged 'footL' : union
+			HBar.b (left - descenderOverflow) xTopLeft 0 swOuter
+			VBar.l (left - descenderOverflow) desc 0.1 swOuter
+		include : tagged 'footR' : union
+			HBar.b xTopRight (right + descenderOverflow) 0 swOuter
+			VBar.r (right + descenderOverflow) desc 0.1 swOuter
+
 	glyph-block-export CyrDeShape CyrDeItalicShapeT
 	define [CyrDeShape top left right _sw _desc] : glyph-proc
 		local descenderOverflow : if SLAB SideJut ((right - left) * 0.075)
-		local xCutLeft left
+		local xTopLeft : mix left right : StrokeWidthBlend 0.15 0.1
-		local xCutRight right
+		local xTopRight : mix left right : StrokeWidthBlend 0.95 0.96
-		local xTopLeft : mix xCutLeft xCutRight : StrokeWidthBlend 0.15 0.1
-		local xTopRight : mix xCutLeft xCutRight : StrokeWidthBlend 0.95 0.96
 		local swOuter : fallback _sw Stroke
 		local swInner : swOuter * [AdviceStroke 2.75] / Stroke
 		local desc : fallback _desc BottomExtension
 
-		include : HBar.b xTopLeft xTopRight 0 swOuter
+		include : CyrDeBottom left right _sw _desc
+
 		include : VBar.r xTopRight 0 top swInner
 		include : dispiro
 			widths.lhs swInner
 			flat xTopLeft top
 			curl xTopLeft [mix 0 top 0.625]
-			g4   xCutLeft  swOuter
+			g4   left  swOuter
-		include : tagged 'footL' : union
-			HBar.b (xCutLeft - descenderOverflow) xTopLeft 0 swOuter
-			VBar.l (xCutLeft  - descenderOverflow) desc 0.1 swOuter
-		include : tagged 'footR' : union
-			HBar.b xTopRight (xCutRight + descenderOverflow) 0 swOuter
-			VBar.r (xCutRight + descenderOverflow) desc 0.1 swOuter
 
 		include : if SLAB
 			then : dispiro