merge

5093d1d5 · turian@lgcm · b11b5374 · 330f38bd · 5093d1d5
--- a/doc/advanced_tutorial/optimization.txt
+++ b/doc/advanced_tutorial/optimization.txt
@@ -534,5 +534,9 @@ that it is costly to run. It is cheaper to run most optimizations
 under the assumption there are no inplace operations.


+.. _navigator:

+Navigator
+-------------------

+WRITEME