iconview: Add a diagram to CSS documentation

diff --git a/gtk/gtkiconview.c b/gtk/gtkiconview.c
index f919cd93017a1fc716e056ec86e1bee82dc90b51..797b2e1e882381d74cf601649fd028a9d3c48533 100644 (file)
--- a/gtk/gtkiconview.c
+++ b/gtk/gtkiconview.c
@@ -68,6 +68,10 @@
  *
  * # CSS nodes
  *
+ * |[<!-- language="plain" -->
+ * iconview.view
+ * ╰── [rubberband]
+ * ]|
  *
  * GtkIconView has a single CSS node with name iconview and style class .view.
  * For rubberband selection, a subnode with name rubberband is used.