Variable: sh-header-marker
sh-header-marker is a buffer-local variable defined in
sh-script.el.gz.
Documentation
When non-nil is the end of header for prepending by M-x sh-execute-region (sh-execute-region).
That command is also used for setting this variable.
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/sh-script.el.gz
(defvar-local sh-header-marker nil
"When non-nil is the end of header for prepending by \\[sh-execute-region].
That command is also used for setting this variable.")