Variable: helpful-max-buffers
helpful-max-buffers is a customizable variable defined in helpful.el.
Value
5
Documentation
Helpful will kill the least recently used Helpful buffer if there are more than this many.
To disable cleanup entirely, set this variable to nil. See also
helpful-kill-buffers for a one-off cleanup.
Source Code
;; Defined in ~/.emacs.d/elpa/helpful-20250408.334/helpful.el
(defcustom helpful-max-buffers
5
"Helpful will kill the least recently used Helpful buffer
if there are more than this many.
To disable cleanup entirely, set this variable to nil. See also
`helpful-kill-buffers' for a one-off cleanup."
:type '(choice (const nil) number)
:group 'helpful)