supportedCopyCut 1448 Source/core/editing/EditorCommand.cpp { "Copy", {7, executeCopy, supportedCopyCut, enabledCopy, stateNone, valueNull, notTextInsertion, allowExecutionWhenDisabled } }, supportedCopyCut 1450 Source/core/editing/EditorCommand.cpp { "Cut", {9, executeCut, supportedCopyCut, enabledCut, stateNone, valueNull, notTextInsertion, allowExecutionWhenDisabled } },