Variable: browse-url-new-window-flag
browse-url-new-window-flag is a customizable variable defined in
browse-url.el.gz.
Value
nil
Documentation
Non-nil means always open a new browser window with appropriate browsers.
Passing an interactive argument to M-x browse-url (browse-url), or specific browser
commands reverses the effect of this variable.
Probably introduced at or before Emacs version 21.1.
Source Code
;; Defined in /usr/src/emacs/lisp/net/browse-url.el.gz
(defcustom browse-url-new-window-flag nil
"Non-nil means always open a new browser window with appropriate browsers.
Passing an interactive argument to \\[browse-url], or specific browser
commands reverses the effect of this variable."
:type 'boolean)