Add IJ-acute ligatures (#2483) (#2536)

* Add IJ-acute ligatures (#2483).

* Doc

* Now 0xEF## is no longer just dingbats

changes/31.8.1.md

@@ -1,6 +1,7 @@
+* Add IJ-acute ligatures (#2483).
+* Allowed customizing menu WWS value to name map (#2488).
 * Optimize glyphs for `rounded-serifless` and `rounded-serifed` variants for Capital Eszett (`ẞ`).
 * Optimize glyphs for closed epsilon shapes (`U+025E`, `U+029A`).
 * Optimize glyphs for cursive variants for Greek Lower Beta (`β`) and Cyrillic Lower Ve (`в`).
 * Optimize glyphs for Volapük Ae/Oe/Ue (`U+A79A`..`U+A79F`).
 * Optimize glyph for Cyrillic Lower Dzze (`U+A689`) under italics.
-* Allowed customizing menu WWS value to name map (#2488).

packages/font-glyphs/src/auto-build/composite.ptl

@@ -2,7 +2,7 @@
 $$include '../meta/macros.ptl'
 
 import [mix linreg clamp fallback] from "@iosevka/util"
-import [getGrMesh AnyCvOrCherryPicking CvDecompose Joining hashCv IsCompositeOrLigature] from "@iosevka/glyph/relation"
+import [getGrMesh AnyCvOrCherryPicking CvDecompose Joining hashCv IsCompositeOrLigature NLDAcuteVariant] from "@iosevka/glyph/relation"
 import [hashGeometry] from "@iosevka/geometry"
 import [Transform] from "@iosevka/geometry/transform"
 extern Map
@@ -1437,10 +1437,17 @@ glyph-block Autobuild-Ligatures : begin
 
 		applyRelations jobs.relApplications
 
+	# Dutch IJ
 	define ijShrink : clamp 0.6 0.75 : StrokeWidthBlend 0.6 0.75
 	createLigatures 'compatLigature1' ijShrink ijShrink 1 1 [if (para.diversityI < 1) 0 0.2] : list
 		list 0x132 { 'I' 'J' }
 		list 0x133 { 'i' 'j' }
+		list 0xEF11 { 'IAcute' 'JAcute' }
+		list 0xEF12 { 'iAcute' 'jAcute' }
+
+	# Link Gr for acuted variants
+	NLDAcuteVariant.set [glyphStore.queryByUnicodeEnsured 0x132] [glyphStore.queryNameByUnicodeEnsured 0xEF11]
+	NLDAcuteVariant.set [glyphStore.queryByUnicodeEnsured 0x133] [glyphStore.queryNameByUnicodeEnsured 0xEF12]
 
 	define stdShrink : clamp 0.75 0.9 : StrokeWidthBlend 0.75 0.9
 	createLigatures 'compatLigature2' stdShrink stdShrink 1 1 0 : list

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

@@ -327,6 +327,8 @@ glyph-block Letter-Latin-Lower-I : begin
 		CreateAccentedComposition 'iBarOver' 0x268 'dotlessiBarOver' 'tittleAbove'
 		CreateAccentedComposition 'iRetroflexHook' 0x1D96 'dotlessiRetroflexHook' 'tittleAbove'
 
+		CreateAccentedComposition 'iAcute' 0xED 'dotlessi' 'acuteAbove'
+
 	do "l glyphs"
 		select-variant 'l' 'l'
 		link-reduced-variant 'l/sansSerif' 'l' MathSansSerif

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

@@ -149,6 +149,8 @@ glyph-block Letter-Latin-Lower-J : begin
 	select-variant 'dotlessjCurlyTail'
 	CreateAccentedComposition 'jCurlyTail' 0x29D 'dotlessjCurlyTail' 'tittleAbove'
 
+	CreateAccentedComposition 'jAcute' null 'dotlessj' 'acuteAbove'
+
 	create-glyph 'mathbb/dotlessj' : glyph-proc
 		include : MarkSet.p
 		local center : Middle + JBalance + BBD / 2

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

@@ -62,6 +62,8 @@ glyph-block Letter-Latin-Upper-I : begin
 	select-variant 'ISideways' 0xA7F7 (follow -- 'I')
 	select-variant 'ILonga' 0xA7FE (follow -- 'I')
 
+	CreateAccentedComposition 'IAcute' 0xCD 'I' 'acuteAbove'
+
 	create-glyph 'smcpI' 0x26A : glyph-proc
 		local df : include : DivFrame para.diversityI
 		include : df.markSet.e

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

@@ -8,6 +8,7 @@ glyph-module
 glyph-block Letter-Latin-Upper-J : begin
 	glyph-block-import CommonShapes
 	glyph-block-import Common-Derivatives
+	glyph-block-import Letter-Shared : CreateAccentedComposition
 	glyph-block-import Letter-Shared-Shapes : CurlyTail FlatHookDepth
 	glyph-block-import Letter-Blackboard : BBS BBD
 	glyph-block-import Letter-Latin-Lower-J : FlatHookDotlessJShape
@@ -149,6 +150,8 @@ glyph-block Letter-Latin-Upper-J : begin
 	alias 'grek/Yot' 0x37F 'J'
 	select-variant 'JCurlyTail' 0xA7B2
 
+	CreateAccentedComposition 'JAcute' null 'J' 'acuteAbove'
+
 	create-glyph 'mathbb/J' 0x1D541 : glyph-proc
 		local hookx (0.75 * SB)
 

packages/font-otl/src/gsub-ccmp.ptl

@@ -1,9 +1,10 @@
 $$include './meta/macros.ptl'
 
 import [UkMapToLookup UkLigatureToLookup] from "./table-util.mjs"
-import [Dotless TieMark TieGlyph OgonekTrY IsSuperscript IsSubscript LeaningMark LeaningMarkSpacer] from "@iosevka/glyph/relation"
+import [Dotless TieMark TieGlyph OgonekTrY IsSuperscript IsSubscript LeaningMark LeaningMarkSpacer NLDAcuteVariant] from "@iosevka/glyph/relation"
 import as UnicodeKnowledge from "@iosevka/font-glyphs/unicode-knowledge"
 
+extern Map
 extern Set
 
 define-macro Ccmp-Group : syntax-rules
@@ -42,7 +43,6 @@ export : define [buildCCMP gsub glyphStore markGlyphs] : begin
 		export-lookup combineLookup
 
 	Ccmp-Group "Mark transforms" : begin
-
 		define groupGrekUpperTonos {}
 		define groupLF             {}
 		define dotlessFrom         {}
@@ -121,6 +121,17 @@ export : define [buildCCMP gsub glyphStore markGlyphs] : begin
 				object [from : list "h" "dotAbove"] [to "hDot"]
 				object [from : list "k" "dotAbove"] [to "kDot"]
 
+	Ccmp-Group "IJ-Acute composites" : begin
+		local substitutions {}
+		foreach { gn g } [glyphStore.namedEntries] : begin
+			local nldVariant : NLDAcuteVariant.get g
+			if nldVariant : substitutions.push
+				object [from : list gn 'acuteAbove'] [to nldVariant]
+
+		export-lookup : gsub.createLookup : object
+			.type 'gsub_ligature'
+			.substitutions substitutions
+
 	Ccmp-Group "Leaning Mark Trasnform" : begin
 		define LeaningAnchorMap : list
 			list 'above' 'leaningAbove'
@@ -155,8 +166,6 @@ export : define [buildCCMP gsub glyphStore markGlyphs] : begin
 						.inputEnds     2
 						.apply         {{.at 1 .lookup lookupTurnMarkIntoLeaningAndSpacer}}
 
-
-
 	Ccmp-Group "Rhotic Hook Transform" : begin
 		define superscripts        {}
 		define subscripts          {}

packages/glyph/src/relation.mjs

@@ -23,6 +23,7 @@ export const VS01 = LinkedGlyphProp("VS01");
 export const TieMark = LinkedGlyphProp("TieMark");
 export const LeaningMark = LinkedGlyphProp("LeaningMark");
 export const LeaningMarkSpacer = LinkedGlyphProp("LeaningMarkSpacer");
+export const NLDAcuteVariant = LinkedGlyphProp("NLDAcuteVariant");
 
 export const LocalizedForm = {
 	SRB: {

packages/glyph/src/store.mjs

@@ -88,11 +88,21 @@ export class GlyphStore {
 	queryByUnicode(u) {
 		return this.encodingForward.get(u);
 	}
+	queryByUnicodeEnsured(u) {
+		const g = this.encodingForward.get(u);
+		if (!g) throw new Error(`Glyph for Unicode ${u} doesn't exist.`);
+		return g;
+	}
 	queryNameByUnicode(u) {
 		const g = this.queryByUnicode(u);
 		if (!g) return undefined;
 		return this.queryNameOf(g);
 	}
+	queryNameByUnicodeEnsured(u) {
+		const g = this.queryByUnicode(u);
+		if (!g) throw new Error(`Glyph for Unicode ${u} doesn't exist.`);
+		return this.queryNameOf(g);
+	}
 	queryUnicodeOf(g) {
 		const s = this.encodingBackward.get(g);
 		if (!s || !s.size) return null;

tools/data-export/src/coverage-export/block-data.mjs

@@ -4,7 +4,7 @@ export async function collectBlockData() {
 	const BlockData = [
 		[[0xe0a0, 0xe0df], "Private Use Area — Powerline"],
 		[[0xee00, 0xee0f], "Private Use Area — Progress Bar"],
-		[[0xef10, 0xef1f], "Private Use Area — Iosevka Private Dingbats"],
+		[[0xef10, 0xef1f], "Private Use Area — Iosevka Privates"],
 	];
 
 	for (const id of UnicodeDataIndex.Block) {