From fde2846e1049f597f19199bcf45591275a3de6a9 Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Mon, 12 Jul 2021 19:53:49 +1000
Subject: Optimize case-insensitive DBCS search.

---
 src/Document.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/Document.cxx b/src/Document.cxx
index 6c68f11ee..3fe2cf8ec 100644
--- a/src/Document.cxx
+++ b/src/Document.cxx
@@ -2106,7 +2106,7 @@ Sci::Position Document::FindText(Sci::Position minPos, Sci::Position maxPos, con
 				while (((pos + indexDocument) < limitPos) &&
 					(indexSearch < lenSearch)) {
 					const unsigned char leadByte = cb.UCharAt(pos + indexDocument);
-					const int widthChar = IsDBCSLeadByteNoExcept(leadByte) ? 2 : 1;
+					const int widthChar = (!UTF8IsAscii(leadByte) && IsDBCSLeadByteNoExcept(leadByte)) ? 2 : 1;
 					if (!widthFirstCharacter) {
 						widthFirstCharacter = widthChar;
 					}
-- 
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