From cb8cd73d839a96f98bb1ce887c694271f9c24788 Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Tue, 22 Nov 2022 09:24:07 +1100
Subject: Add SCI_REPLACETARGETMINIMAL to change text without causing unchanged
 prefix and suffix to be marked as modified in change history.

---
 src/Document.cxx | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/Document.cxx')

diff --git a/src/Document.cxx b/src/Document.cxx
index 0237cef78..6a638471d 100644
--- a/src/Document.cxx
+++ b/src/Document.cxx
@@ -1242,6 +1242,17 @@ void Document::CheckReadOnly() {
 	}
 }
 
+void Document::TrimReplacement(std::string_view &text, Range &range) const noexcept {
+	while (!text.empty() && !range.Empty() && (text.front() == CharAt(range.start))) {
+		text.remove_prefix(1);
+		range.start++;
+	}
+	while (!text.empty() && !range.Empty() && (text.back() == CharAt(range.end-1))) {
+		text.remove_suffix(1);
+		range.end--;
+	}
+}
+
 // Document only modified by gateways DeleteChars, InsertString, Undo, Redo, and SetStyleAt.
 // SetStyleAt does not change the persistent state of a document
 
-- 
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