Moved the output selection documentation to the main parameter file sub-folder.

doc/RTD/source/GettingStarted/index.rst

@@ -20,7 +20,6 @@ and keep on your desk.
    running_example
    runtime_options
    configuration_options
-   parameter_file
    what_about_mpi
    running_on_large_systems
    special_modes

doc/RTD/source/ParameterFiles/index.rst

@@ -145,7 +145,8 @@ of units. Setting a value of `1` when using the system of units (10^10 Msun,
 Mpc, km/s) will mean that :math:`G_N=1` in these units [#f2]_ instead of the
 normal value :math:`G_N=43.00927`.
 
-This option is only used for specific tests and debugging.
+This option is only used for specific tests and debugging. This entire
+section of the YAML file can typically be left out.
 
 
 Cosmology
@@ -180,7 +181,7 @@ If unspecified these parameters default to the default
 :math:`\Lambda\rm{CDM}` values of :math:`w_0 = -1` and :math:`w_a = 0`.
 
 For a Planck+13 cosmological model (ignoring radiation density as is
-commonly done and running from :math:`z=127` to :math:`z=0`, one would hence
+commonly done) and running from :math:`z=127` to :math:`z=0`, one would hence
 use the following parameters:
 
 .. code:: YAML
@@ -209,6 +210,14 @@ TimeIntegration
 Snapshots
 ---------
 
+Some additional specific options for the snapshot outputs are described in the
+following pages:
+
+.. toctree::
+   :maxdepth: 1
+
+   output_selection
+
 Statistics
 ----------
 

doc/RTD/source/GettingStarted/parameter_file.rst → doc/RTD/source/ParameterFiles/output_selection.rst

 .. Parameter File
    Loic Hausammann, 1 june 2018
 
-.. _Parameter_File_label:
-
-Parameter File
-==============
-
-To run SWIFT, you will need to provide a ``yaml`` parameter file.  An example is
-given in ``examples/parameter_file.yml`` which should contain all possible
-parameters.  Each section in this file corresponds to a different option in
-SWIFT and are not always required depending on the configuration options and
-the run time parameters.
+.. _Output_list_label:
 
 Output List
 ~~~~~~~~~~~
 
-In the sections ``Snapshots`` and ``Statistics``, you can specify the options ``output_list_on`` and ``output_list``  which receive an int and a filename.
-The ``output_list_on`` enable or not the output list and ``output_list`` is the filename containing the output times.
-With the file header, you can choose between writing redshifts, scale factors or times.
+In the sections ``Snapshots`` and ``Statistics``, you can specify the
+options ``output_list_on`` and ``output_list`` which receive an int
+and a filename.  The ``output_list_on`` enable or not the output list
+and ``output_list`` is the filename containing the output times.  With
+the file header, you can choose between writing redshifts, scale
+factors or times.
 
 Example of file containing with times (in internal units)::
 
@@ -42,6 +36,8 @@ Example of file with redshift::
   10
   5
 
+.. _Output_selection_label:
+  
 Output Selection
 ~~~~~~~~~~~~~~~~