Upgrade std.uni to Unicode 15.1.0

dlang · Jan 6, 2024 · 6277393 · 6277393
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diff --git a/changelog/upgrade-unicode.dd b/changelog/upgrade-unicode.dd
@@ -0,0 +1,17 @@
+std.uni has been upgraded from Unicode 15.0.0 to 15.1.0
+
+This Unicode update was released September 12, 2023.
+See: https://www.unicode.org/versions/Unicode15.1.0/
+
+```
+import std;
+
+void main()
+{
+    const alphaCount = iota(0, dchar.max).filter!(std.uni.isAlpha).walkLength;
+    writeln(alphaCount);
+    // formerly: 137765
+    // now:      138387
+    // 622 new dchars return true for `isAlpha`
+}
+```