* net/tramp.el (tramp-file-name-regexp-unified): Support IPv6 host

names on MS Windows, like "/[::1]:".

* net/tramp-sh.el (tramp-sh-handle-insert-directory): Accept nil
SWITCHES.

lisp/ChangeLog

+2013-11-26  Michael Albinus  <michael.albinus@gmx.de>
+
+	* net/tramp.el (tramp-file-name-regexp-unified): Support IPv6 host
+	names on MS Windows, like "/[::1]:".
+
+	* net/tramp-sh.el (tramp-sh-handle-insert-directory): Accept nil
+	SWITCHES.
+
 2013-11-26  Glenn Morris  <rgm@gnu.org>
 
 	* progmodes/python.el (python-indent-guess-indent-offset):

lisp/net/tramp-sh.el

@@ -2493,6 +2493,7 @@ This is like `dired-recursive-delete-directory' for Tramp files."
   (filename switches &optional wildcard full-directory-p)
   "Like `insert-directory' for Tramp files."
   (setq filename (expand-file-name filename))
+  (unless switches (setq switches ""))
   (with-parsed-tramp-file-name filename nil
     (if (and (featurep 'ls-lisp)
 	     (not (symbol-value 'ls-lisp-use-insert-directory-program)))

lisp/net/tramp.el

@@ -884,7 +884,7 @@ See also `tramp-file-name-regexp'.")
 ;;;###autoload
 (defconst tramp-file-name-regexp-unified
   (if (memq system-type '(cygwin windows-nt))
-      "\\`/[^/|:]\\{2,\\}[^/|]*:"
+      "\\`/\\(\\[.*\\]\\|[^/|:]\\{2,\\}[^/|]*\\):"
     "\\`/[^/|:][^/|]*:")
   "Value for `tramp-file-name-regexp' for unified remoting.
 Emacs (not XEmacs) uses a unified filename syntax for Ange-FTP and