[re-posting to list since I accidentally replied in private]
On 9/20/07, Helmut Eller heller@common-lisp.net wrote:
I thought that the tree-widget was already present in Emacs 21. In CVS, slime-fancy loads the xref-browser contrib only if the tree-widget is available. If you want to use the xref-browser in 21, you have to install tree-widget.el yourself.
Done and works. Thanks. :-)
Aankhen