Add new LineBreak properties added in ICU 74 (#4282)

Fixes #4132
unicode-org · Nov 14, 2023 · 306af7b · 306af7b
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -13,6 +13,7 @@
       - Canonicalize transform extensions to lowercase (https://github.com/unicode-org/icu4x/pull/4134)
     - `icu_properties`
         - Support Indic_Syllabic_Category in icu_properties. (https://github.com/unicode-org/icu4x/pull/4176)
+        - Add enum constants for new Unicode 15.1 Line_Break properties. (https://github.com/unicode-org/icu4x/issues/4132)
     - `icu_segmenter`
         - Fix Unicode 15.0 sentence segmentation (https://github.com/unicode-org/icu4x/pull/4213)
     - `icu_unicodeset_parse`

diff --git a/components/properties/src/props.rs b/components/properties/src/props.rs
@@ -1685,6 +1685,13 @@ impl LineBreak {
     pub const EBase: LineBreak = LineBreak(40); // name="EB"
     pub const EModifier: LineBreak = LineBreak(41); // name="EM"
     pub const ZWJ: LineBreak = LineBreak(42); // name="ZWJ"
+
+    // Added in ICU 74:
+    pub const Aksara: LineBreak = LineBreak(43); // name="AK"
+    pub const AksaraPrebase: LineBreak = LineBreak(44); // name=AP"
+    pub const AksaraStart: LineBreak = LineBreak(45); // name=AS"
+    pub const ViramaFinal: LineBreak = LineBreak(46); // name=VF"
+    pub const Virama: LineBreak = LineBreak(47); // name=VI"
 }
 
 impl_value_getter! {