Modules as Doxygen groups
^^^^^^^^^^^^^^^^^^^^^^^^^
-As described in :doc:`codelayout`, each subdirectory under ``src/gromacs/``
+As described in :ref:`dev-source-layout`, each subdirectory under ``src/gromacs/``
represents a *module*, i.e., a somewhat coherent collection of routines.
Doxygen cannot automatically generate a list of routines in a module; it only
extracts various alphabetical indexes that contain more or less all documented