Variable: shr-hr-line
shr-hr-line is a customizable variable defined in shr.el.gz.
Value
45
Documentation
Character used to draw hr lines.
Source Code
;; Defined in /usr/src/emacs/lisp/net/shr.el.gz
(defcustom shr-hr-line ?-
"Character used to draw hr lines."
:type 'character)