Backport: Delete standard functions on classes where there could be attempts to copy.

Backport of changeset 6756:29866b0927e0.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/CellBuffer.h b/src/CellBuffer.h
index 3e3ec3015..a98d9abcb 100644
--- a/src/CellBuffer.h
+++ b/src/CellBuffer.h
@@ -66,7 +66,9 @@ public:
 	UndoHistory();
 	// Deleted so UndoHistory objects can not be copied.
 	UndoHistory(const UndoHistory &) = delete;
+	UndoHistory(UndoHistory &&) = delete;
 	void operator=(const UndoHistory &) = delete;
+	void operator=(UndoHistory &&) = delete;
 	~UndoHistory();
 
 	const char *AppendAction(actionType at, Sci::Position position, const char *data, Sci::Position lengthData, bool &startSequence, bool mayCoalesce=true);