LINE_LENGTH: 70

**********
Format known and custom sections.

Parameters
----------
x : int
    Existing parameter.

Todo
----
Keep this custom section as prose, not as a Parameters item with the description pulled onto the header line.

**********
Format known and custom sections.

Parameters
----------
x : int
    Existing parameter.

Todo
----
Keep this custom section as prose, not as a Parameters item with the
description pulled onto the header line.
