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-rw-r--r--gtk/gtktreemodel.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gtk/gtktreemodel.c b/gtk/gtktreemodel.c
index 0d0a4920e4..675f10bf73 100644
--- a/gtk/gtktreemodel.c
+++ b/gtk/gtktreemodel.c
@@ -257,6 +257,9 @@ gtk_tree_model_base_init (gpointer g_class)
* @path: a #GtkTreePath identifying the tree node whose children
* have been reordered
* @iter: a valid #GtkTreeIter pointing to the node whose
+ * @new_order: an array of integers mapping the current position of
+ * each child to its old position before the re-ordering,
+ * i.e. @new_order<literal>[newpos] = oldpos</literal>.
*
* This signal is emitted when the children of a node in the #GtkTreeModel
* have been reordered.