Let browse-url-browser-function changes take effect after psvn has been loaded.
Let browse-url-browser-function changes take effect after psvn has been loaded.

Patch by: Kalle Olavi Niemitalo <kon@iki.fi>

* contrib/client-side/psvn/psvn.el
  (svn-browse-url-function): Default to nil, rather than to the
    load-time value of browse-url-browser-function.
  (svn-browse-url): If svn-browse-url-function is nil, use the value
    of browse-url-browser-function instead.

  (svn-browse-url-function): More documentation.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@855662 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion