Add documentation, work around smartrep.

I am starting to get annoyed by smartrep...

doc/source/index.rst

@@ -571,7 +571,7 @@ Misc
 .. el:variable:: ein:filename-translations
 .. el:function:: ein:tramp-create-filename-translator
 .. el:variable:: ein:query-timeout
-
+.. el:function:: ein:notebook-jump-to-opened-notebook
 
 Gotchas and caveats
 -------------------

lisp/ein-dev.el

@@ -69,6 +69,7 @@
   (loop for f in (directory-files ein:source-dir nil "^ein-.*\\.el$")
         unless (or (equal f "ein-pkg.el")
                    (equal f "ein-autoloads.el")
+                   (equal f "ein-smartrep.el")
                    (funcall ignore-p f))
         do (require (intern (file-name-sans-extension f)) nil t))
   ;; For `widget-button-press':

lisp/ein-notebook.el

@@ -361,7 +361,7 @@ will be updated with kernel's cwd."
 
 ;;;###autoload
 (defun ein:notebook-jump-to-opened-notebook (notebook)
-  "Switch to the buffer of an open notebook."
+  "List all opened notebook buffers and switch to one that the user selects."
   (interactive
    (list  (completing-read "Jump to notebook:" (ein:notebook-opened-buffer-names) nil t)))
   (switch-to-buffer notebook))