Clarify dired-jump doc string

* lisp/dired.el (dired-jump): Make the doc string say what happens
in buffers not visiting files (bug#14733).

diff --git a/lisp/dired.el b/lisp/dired.el
index 0add0ab3887f22e8ba17b975d9178cc1f6c6edee..3789bef0efbc639f60a8c564254887778ca5e957 100644 (file)
--- a/lisp/dired.el
+++ b/lisp/dired.el
@@ -4495,11 +4495,18 @@ Ask means pop up a menu for the user to select one of copy, move or link."
 ;;;###autoload
 (defun dired-jump (&optional other-window file-name)
   "Jump to Dired buffer corresponding to current buffer.
-If in a file, Dired the current directory and move to file's line.
+If in a buffer visiting a file, Dired the current directory and
+move to that file's line.
+
+If the current buffer isn't visiting a file, jump to the
+`default-directory' Dired buffer.
+
 If in Dired already, pop up a level and goto old directory's line.
 In case the proper Dired file line cannot be found, refresh the dired
 buffer and try again.
+
 When OTHER-WINDOW is non-nil, jump to Dired buffer in other window.
+
 When FILE-NAME is non-nil, jump to its line in Dired.
 Interactively with prefix argument, read FILE-NAME."
   (interactive