Variable: speedbar-default-position
speedbar-default-position is a customizable variable defined in
speedbar.el.gz.
Value
left-right
Documentation
Default position of the speedbar frame relative to the attached frame.
Possible values are left, right or left-right.
If value is left-right, the most suitable location is
determined automatically.
Source Code
;; Defined in /usr/src/emacs/lisp/speedbar.el.gz
(defcustom speedbar-default-position 'left-right
"Default position of the speedbar frame relative to the attached frame.
Possible values are `left', `right' or `left-right'.
If value is `left-right', the most suitable location is
determined automatically."
:group 'speedbar
:type '(radio (const :tag "Automatic" left-right)
(const :tag "Left" left)
(const :tag "Right" right)))