From ad6b9085ddf03ed71d35421995e6bb93d44d6f93 Mon Sep 17 00:00:00 2001
From: ArkadiuszMichalski <2730894+ArkadiuszMichalski@users.noreply.github.com>
Date: Thu, 22 Dec 2022 07:12:36 +0100
Subject: [PATCH] Fix  XML tag-matching not be case-sensitive

Make XML and XHTML tag matching case-sensitive.

Fix #10011, close #12688
---
 .../src/ScintillaComponent/xmlMatchedTagsHighlighter.cpp  | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/PowerEditor/src/ScintillaComponent/xmlMatchedTagsHighlighter.cpp b/PowerEditor/src/ScintillaComponent/xmlMatchedTagsHighlighter.cpp
index 4e24051b9..1d1aa10b0 100644
--- a/PowerEditor/src/ScintillaComponent/xmlMatchedTagsHighlighter.cpp
+++ b/PowerEditor/src/ScintillaComponent/xmlMatchedTagsHighlighter.cpp
@@ -22,6 +22,7 @@
 
 #include "xmlMatchedTagsHighlighter.h"
 #include "ScintillaEditView.h"
+#include <shlwapi.h>
 
 using namespace std;
 
@@ -563,11 +564,16 @@ XmlMatchedTagsHighlighter::FindResult XmlMatchedTagsHighlighter::findCloseTag(co
 XmlMatchedTagsHighlighter::FindResult XmlMatchedTagsHighlighter::findText(const char *text, intptr_t start, intptr_t end, int flags)
 {
 	FindResult returnValue;
-	
+
 	Sci_TextToFindFull search{};
 	search.lpstrText = const_cast<char *>(text); // Grrrrrr
 	search.chrg.cpMin = static_cast<Sci_Position>(start);
 	search.chrg.cpMax = static_cast<Sci_Position>(end);
+
+	LangType lang = (_pEditView->getCurrentBuffer())->getLangType();
+	if (lang == L_XML || (lang == L_HTML && generic_stricmp(PathFindExtension((_pEditView->getCurrentBuffer())->getFileName()), TEXT(".xhtml")) == 0))
+		flags = flags | SCFIND_MATCHCASE;
+
 	intptr_t result = _pEditView->execute(SCI_FINDTEXTFULL, flags, reinterpret_cast<LPARAM>(&search));
 	if (-1 == result)
 	{