Changed arrow style to event.

docs/data/diagrams.tex

@@ -96,8 +96,7 @@
 
                 \node[block, below of=rootwidget] (subwidget) {Sub widget}
                     edge[linefrom] (rootwidget)
-                    edge[lineto, bend right=45, dotted] node[right=3]
-                    {propagation} (rootwidget);
+                    edge[lineto, bend right=45] node[right=3] {propagation} (rootwidget);
                 \node[block, right of=rootwidget, xshift=5em] {Gesture tracker}
                     edge[lineto, dotted, bend left=10] (rootwidget)
                     edge[linefrom, bend right=10] (rootwidget);