* lisp/info-xref.el (info-xref-docstrings): Also skip directories.

lisp/ChangeLog

@@ -1,6 +1,7 @@
 2011-01-16  Glenn Morris  <rgm@gnu.org>
 
 	* info-xref.el (info-xref-docstrings): Replace cl function.
+	Also skip directories.
 
 2011-01-16  Kevin Ryde  <user42@zip.com.au>
 

lisp/info-xref.el

@@ -493,6 +493,7 @@ the sources handy."
      (setq filename-list
            (dolist (file filename-list (nreverse newlist))
              (or (info-xref-lock-file-p file)
+                 (file-directory-p file)
                  (push file newlist))))
      (unless filename-list
        (error "No files: %S" pattern))