Add SCI_REPLACETARGETMINIMAL to change text without causing unchanged prefix and

suffix to be marked as modified in change history.

1 files changed, 11 insertions, 0 deletions

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