In the following code blocks, the line numbers always should match the numbers
in the content.

.. code-block:: text
   :linenos:
   :linenos_offset:
   :include: include

.. code-block:: text
   :linenos:
   :include: include
   :linenos_offset:
   :start-at: Line 3

.. code-block:: text
   :linenos:
   :include: include
   :linenos_offset:
   :start-after: Line 2

.. code-block:: text
   :linenos:
   :include: include
   :linenos_offset:
   :start-after: Lin

In the following, the line numbers always start at 1:

.. code-block:: text
   :linenos:
   :include: include
   :start-at: Line 3

.. code-block:: text
   :linenos:
   :include: include
   :start-after: Line 2
