From ed97cb6060c786a4ddc0567250911f7093244d55 Mon Sep 17 00:00:00 2001
From: Zufu Liu <unknown>
Date: Mon, 19 Jan 2026 15:23:12 +1100
Subject: Allow Euro in code page 936 for byte 0x80.

---
 doc/ScintillaHistory.html | 4 ++++
 src/DBCS.cxx              | 5 ++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/doc/ScintillaHistory.html b/doc/ScintillaHistory.html
index 1148abaa1..45ffeefe9 100644
--- a/doc/ScintillaHistory.html
+++ b/doc/ScintillaHistory.html
@@ -608,6 +608,10 @@
 	<a href="https://sourceforge.net/p/scintilla/feature-requests/184/">Feature #184</a>.
 	</li>
 	<li>
+	Allow Euro '&euro;' in code page 936 for 0x80.
+	<a href="https://sourceforge.net/p/scintilla/feature-requests/1575/">Feature #1575</a>.
+	</li>
+	<li>
 	Fix SCI_SETSELECTIONNSTART and SCI_SETSELECTIONNEND to behave more sensibly.
 	<a href="https://sourceforge.net/p/scintilla/bugs/2488/">Bug #2488</a>.
 	</li>
diff --git a/src/DBCS.cxx b/src/DBCS.cxx
index f92b7a5a9..062c30a51 100644
--- a/src/DBCS.cxx
+++ b/src/DBCS.cxx
@@ -90,10 +90,13 @@ bool DBCSIsTrailByte(int codePage, char ch) noexcept {
 bool IsDBCSValidSingleByte(int codePage, int ch) noexcept {
 	switch (codePage) {
 	case cp932:
+		// Shift_jis
 		return ch == 0x80
 			|| (ch >= 0xA0 && ch <= 0xDF)
 			|| (ch >= 0xFD);
-
+	case cp936:
+		// GBK
+		return ch == 0x80;
 	default:
 		return false;
 	}
-- 
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