   (progn 
     (setq ibuffer-saved-filter-groups
           (quote (("default"      
-                   ("SICP"
-                    (filename . "SICP"))
                    ("HemlockForest"
                     (filename . "HemlockForest"))
                    ("Emacs Config"
                     (filename . "emacs"))
-                   ("scm-prompt"
-                    (filename . "scm-prompt"))
-                   ("4clojure"
-                    (filename . "4clojure"))
                    ("dmenu_ssh"
                     (filename . "dmenu_ssh"))
-                   ("University Calculus"
-                    (filename . "~/TextBookSummaries/UniversityCalculus"))
                    ("DotFilesForest"
                     (filename . "dot-files-forest"))
                    ("version control" 

;;;_. ibuffer
(require 'ibuffer) 
(require 'ibuf-ext)


                     (mode . scheme-mode)
                     ;; etc
                     ))))))

    (add-hook 'ibuffer-mode-hook 
              '(lambda ()
