Just a very small thing I noticed while reading the rendered docs at RTD. The space makes sure the inline code block is terminated after base_1 and therefore avoids rendering the entire sentence up to loc as a code section.

I wasn't sure which delineation was intended, so I kept the code as-is and just added the space. There is an alternative to include the =False in the code section as well:

- using ``with_line_numbers`` inside a parse action, set ``base_1``=False, since the
+ using ``with_line_numbers`` inside a parse action, set ``base_1=False``, since the

If the alternative is desired, I can quickly push that up instead. 👍

Edit: The odd formatting can currently be seen here.