hrs/engine-mode — pull request #5 by asok (2014-10-09 09:31:41+00:00)
Title: Add engine/browser-function variable.

By customizing this variable user is able to change the default
browser. Useful if the default browser in Emacs is setup to
`browse-url-w3` but for querying search engines user wants to use
`browse-url-default-windows-browser` for example.