Variable: gnus-registry-minimum-subject-length
gnus-registry-minimum-subject-length is a customizable variable
defined in gnus-registry.el.gz.
Value
5
Documentation
The minimum length of a subject before it's considered trackable.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus-registry.el.gz
(defcustom gnus-registry-minimum-subject-length 5
"The minimum length of a subject before it's considered trackable."
:type 'integer)