From c597d73ba23375ab2b86489e0818aad7a86e402b Mon Sep 17 00:00:00 2001
From: Zufu Liu <unknown>
Date: Fri, 12 Apr 2019 08:22:21 +1000
Subject: Bug [#2093]. Improve efficiency with single byte character sets.

---
 src/DBCS.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src')

diff --git a/src/DBCS.h b/src/DBCS.h
index ff3f9f22f..58659ee3e 100644
--- a/src/DBCS.h
+++ b/src/DBCS.h
@@ -10,6 +10,14 @@
 
 namespace Scintilla {
 
+constexpr bool IsDBCSCodePage(int codePage) noexcept {
+	return codePage == 932
+	       || codePage == 936
+	       || codePage == 949
+	       || codePage == 950
+	       || codePage == 1361;
+}
+
 bool DBCSIsLeadByte(int codePage, char ch) noexcept;
 
 }
-- 
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