How to show the name of a help buffer in the tabline of the airline?

Question

I use :h command to open a help buffer. When I switch to other buffers, I can't go back to the opened help buffer. How can I show the name of a help buffer in the tabline of the airline?

Answer 1

:help opens an unlisted buffer (:help unlisted-buffer)

You can make the buffer listed (shown in :buffers) with the command

:setlocal buflisted

Now you will find the buffer in the list that :buffers shows.