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-rw-r--r--src/server/events/Mark.hpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/server/events/Mark.hpp b/src/server/events/Mark.hpp
index 895a309c..db5550a0 100644
--- a/src/server/events/Mark.hpp
+++ b/src/server/events/Mark.hpp
@@ -26,7 +26,11 @@ class Engine;
namespace Events {
-/** Set properties of a graph object.
+/** Delineate the start or end of a bundle of events.
+ *
+ * This is used to mark the ends of an undo transaction, so a single undo can
+ * undo the effects of many events (such as a paste or a graph load).
+ *
* \ingroup engine
*/
class Mark : public Event