Include patheffect guide in TOC

jenshnielsen · jenshnielsen · commit 91a3d9dd2793 · 2014-09-03T10:53:20.000+01:00
diff --git a/doc/users/developer.rst b/doc/users/developer.rst
@@ -18,5 +18,6 @@ Advanced Guide
     event_handling.rst
     transforms_tutorial.rst
     path_tutorial.rst
+    patheffects_guide.rst
     recipes.rst
 
