From d534bb0dc4c64fdab5145c7838c46fa61fb25574 Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Fri, 10 Apr 2020 09:32:30 +1000
Subject: =?UTF-8?q?Bug=20[#2168].=20Fix=20bug=20where=20'=C2=B5'=20(Micro?=
 =?UTF-8?q?=20Sign)=20case-insensitively=20matches=20'=3F'.?=
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---
 qt/ScintillaEditBase/ScintillaQt.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'qt/ScintillaEditBase/ScintillaQt.cpp')

diff --git a/qt/ScintillaEditBase/ScintillaQt.cpp b/qt/ScintillaEditBase/ScintillaQt.cpp
index 4236c7f86..3c62ec7fd 100644
--- a/qt/ScintillaEditBase/ScintillaQt.cpp
+++ b/qt/ScintillaEditBase/ScintillaQt.cpp
@@ -575,9 +575,11 @@ CaseFolder *ScintillaQt::CaseFolderForEncoding()
 					sCharacter[0] = i;
 					QString su = codec->toUnicode(sCharacter, 1);
 					QString suFolded = su.toCaseFolded();
-					QByteArray bytesFolded = codec->fromUnicode(suFolded);
-					if (bytesFolded.length() == 1) {
-						pcf->SetTranslation(sCharacter[0], bytesFolded[0]);
+					if (codec->canEncode(suFolded)) {
+						QByteArray bytesFolded = codec->fromUnicode(suFolded);
+						if (bytesFolded.length() == 1) {
+							pcf->SetTranslation(sCharacter[0], bytesFolded[0]);
+						}
 					}
 				}
 				return pcf;
-- 
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