From a5e5b327fd3eb2987717884163222c113bef2493 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sat, 13 Jul 2024 14:24:57 +0200
Subject: [PATCH] Text: add new OpenType 1.9.1 features, doc++

---
 src/Magnum/Text/Feature.cpp |  2 ++
 src/Magnum/Text/Feature.h   | 16 +++++++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/Magnum/Text/Feature.cpp b/src/Magnum/Text/Feature.cpp
index 962bbbab0..fd9a6908a 100644
--- a/src/Magnum/Text/Feature.cpp
+++ b/src/Magnum/Text/Feature.cpp
@@ -45,6 +45,7 @@ Debug& operator<<(Debug& debug, const Feature value) {
         _c(AboveBaseSubstitutions)
         _c(AlternativeFractions)
         _c(Akhand)
+        _c(KerningForAlternateProportionalWidths)
         _c(BelowBaseForms)
         _c(BelowBaseMarkPositioning)
         _c(BelowBaseSubstitutions)
@@ -270,6 +271,7 @@ Debug& operator<<(Debug& debug, const Feature value) {
         _c(Unicase)
         _c(AlternateVerticalMetrics)
         _c(VattuVariants)
+        _c(KerningForAlternateProportionalVerticalMetrics)
         _c(VerticalContextualHalfWidthSpacing)
         _c(VerticalWriting)
         _c(AlternateVerticalHalfMetrics)
diff --git a/src/Magnum/Text/Feature.h b/src/Magnum/Text/Feature.h
index 9d47a2c80..84a96049b 100644
--- a/src/Magnum/Text/Feature.h
+++ b/src/Magnum/Text/Feature.h
@@ -160,6 +160,13 @@ enum class Feature: UnsignedInt {
      */
     Akhand = Utility::Endianness::fourCC('a', 'k', 'h', 'n'),
 
+    /**
+     * `apkn`, [Kerning for Alternate Proportional Widths](https://learn.microsoft.com/typography/opentype/spec/features_ae#apkn).
+     * Intended for East-Asian scripts.
+     * @m_keywords{apkn}
+     */
+    KerningForAlternateProportionalWidths = Utility::Endianness::fourCC('a', 'p', 'k', 'n'),
+
     /**
      * `blwf`, [Below-base Forms](https://learn.microsoft.com/typography/opentype/spec/features_ae#blwf).
      * Intended for South-Asian scripts.
@@ -1035,7 +1042,7 @@ enum class Feature: UnsignedInt {
     TerminalForms3 = Utility::Endianness::fourCC('f', 'i', 'n', '3'),
 
     /**
-     * `flac`, [Flattened accent forms](https://learn.microsoft.com/typography/opentype/spec/features_fj#flac).
+     * `flac`, [Flattened Accent Forms](https://learn.microsoft.com/typography/opentype/spec/features_fj#flac).
      * Intended for digits and math.
      * @m_keywords{flac}
      */
@@ -1747,6 +1754,13 @@ enum class Feature: UnsignedInt {
      */
     VattuVariants = Utility::Endianness::fourCC('v', 'a', 't', 'u'),
 
+    /**
+     * `vapk`, [Kerning for Alternate Proportional Vertical Metrics](https://learn.microsoft.com/typography/opentype/spec/features_uz#vapk).
+     * Intended for East-Asian scripts.
+     * @m_keywords{vapk}
+     */
+    KerningForAlternateProportionalVerticalMetrics = Utility::Endianness::fourCC('v', 'a', 'p', 'k'),
+
     /**
      * `vchw`, [Vertical Contextual Half-width Spacing](https://learn.microsoft.com/typography/opentype/spec/features_uz#vchw).
      * Intended for East-Asian scripts.