Hi Ihor,

Ihor Radchenko <yantar92@gmail.com> writes:

> Could you please add docstrings and possibly code comments for
> `org-agenda-restrict', `org-agenda-restrict-begin',
> `org-agenda-restrict-end', `org-agenda-last-dispatch-buffer', and
> possibly other elated variables?

I have added docstrings for related variables except
`org-agenda-last-dispatch-buffer', which is actually not used by any
other org-mode code. Please see the patch below.