gtk:notebook-tab-reorderable (notebook child)

notebook -- a gtk:notebook widget
child -- a gtk:widget child page
reorderable -- a boolean whether the notebook tab is reorderable or not

The gtk:notebook-tab-reorderable function gets whether the notebook tab can be reordered via drag and drop or not. The (setf gtk:notebook-tab-reorderable) function sets whether the notebook tab can be reordered.