* net/tramp.el (tramp-check-proper-method-and-host): Rename it from

`tramp-check-proper-host'.  Check for a valid method name.

* net/tramp-adb.el (tramp-adb-maybe-open-connection):
* net/tramp-gvfs.el (tramp-gvfs-maybe-open-connection):
* net/tramp-sh.el (tramp-maybe-open-connection):
* net/tramp-smb.el (tramp-smb-maybe-open-connection): Call it.

* net/tramp-cache.el (tramp-cache-print): Don't print text properties
also for hash values.

lisp/ChangeLog

@@ -1,3 +1,16 @@
+2013-09-13  Michael Albinus  <michael.albinus@gmx.de>
+
+	* net/tramp.el (tramp-check-proper-method-and-host): Rename it from
+	`tramp-check-proper-host'.  Check for a valid method name.
+
+	* net/tramp-adb.el (tramp-adb-maybe-open-connection):
+	* net/tramp-gvfs.el (tramp-gvfs-maybe-open-connection):
+	* net/tramp-sh.el (tramp-maybe-open-connection):
+	* net/tramp-smb.el (tramp-smb-maybe-open-connection): Call it.
+
+	* net/tramp-cache.el (tramp-cache-print): Don't print text properties
+	also for hash values.
+
 2013-09-12  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* term/ns-win.el (parameters): Don't declare as dynamic.

lisp/net/tramp-adb.el

@@ -1092,7 +1092,7 @@ FMT and ARGS are passed to `error'."
   "Maybe open a connection VEC.
 Does not do anything if a connection is already open, but re-opens the
 connection if a previous connection has died for some reason."
-  (tramp-check-proper-host vec)
+  (tramp-check-proper-method-and-host vec)
 
   (let* ((buf (tramp-get-connection-buffer vec))
 	 (p (get-buffer-process buf))

lisp/net/tramp-cache.el

@@ -285,16 +285,18 @@ KEY identifies the connection, it is either a process or a vector."
     (let (result)
       (maphash
        (lambda (key value)
-	 ;; Remove text properties from KEY.
-	 (when (vectorp key)
-	   (dotimes (i (length key))
-	     (when (stringp (aref key i))
-	       (aset key i
-		     (funcall
-		      ;; `substring-no-properties' does not exist in XEmacs.
-		      (if (functionp 'substring-no-properties)
-			  'substring-no-properties 'identity)
-		      (aref key i))))))
+	 ;; Remove text properties from KEY and VALUE.
+	 ;; `substring-no-properties' does not exist in XEmacs.
+	 (when (functionp 'substring-no-properties)
+	   (when (vectorp key)
+	     (dotimes (i (length key))
+	       (when (stringp (aref key i))
+		 (aset key i (funcall 'substring-no-properties (aref key i))))))
+	   (when (stringp key)
+	     (setq key (funcall 'substring-no-properties key)))
+	   (when (stringp value)
+	     (setq value (funcall 'substring-no-properties value))))
+	 ;; Dump.
 	 (let ((tmp (format
 		     "(%s %s)"
 		     (if (processp key)

lisp/net/tramp-gvfs.el

@@ -1465,7 +1465,7 @@ It was \"a(say)\", but has changed to \"a{sv})\"."
   "Maybe open a connection VEC.
 Does not do anything if a connection is already open, but re-opens the
 connection if a previous connection has died for some reason."
-  (tramp-check-proper-host vec)
+  (tramp-check-proper-method-and-host vec)
 
   ;; We set the file name, in case there are incoming D-Bus signals or
   ;; D-Bus errors.

lisp/net/tramp-sh.el

@@ -4286,7 +4286,7 @@ Gateway hops are already opened."
   "Maybe open a connection VEC.
 Does not do anything if a connection is already open, but re-opens the
 connection if a previous connection has died for some reason."
-  (tramp-check-proper-host vec)
+  (tramp-check-proper-method-and-host vec)
 
   (let ((p (tramp-get-connection-process vec))
 	(process-name (tramp-get-connection-property vec "process-name" nil))

lisp/net/tramp-smb.el

@@ -1566,7 +1566,7 @@ Does not do anything if a connection is already open, but re-opens the
 connection if a previous connection has died for some reason.
 If ARGUMENT is non-nil, use it as argument for
 `tramp-smb-winexe-program', and suppress any checks."
-  (tramp-check-proper-host vec)
+  (tramp-check-proper-method-and-host vec)
 
   (let* ((share (tramp-smb-get-share vec))
 	 (buf (tramp-get-connection-buffer vec))

lisp/net/tramp.el

@@ -1265,15 +1265,19 @@ This is HOST, if non-nil. Otherwise, it is `tramp-default-host'."
 	lhost)
       tramp-default-host))
 
-(defun tramp-check-proper-host (vec)
-  "Check host name of VEC."
+(defun tramp-check-proper-method-and-host (vec)
+  "Check method and host name of VEC."
   (let ((method (tramp-file-name-method vec))
 	(user (tramp-file-name-user vec))
-	(host (tramp-file-name-host vec)))
+	(host (tramp-file-name-host vec))
+	(methods (mapcar 'car tramp-methods)))
+    (when (and method (not (member method methods)))
+      (tramp-cleanup-connection vec)
+      (tramp-user-error vec "Unknown method \"%s\"" method))
     (when (and (equal tramp-syntax 'ftp) host
 	       (or (null method) (get-text-property 0 'tramp-default method))
 	       (or (null user) (get-text-property 0 'tramp-default user))
-	       (member host (mapcar 'car tramp-methods)))
+	       (member host methods))
       (tramp-cleanup-connection vec)
       (tramp-user-error vec "Host name must not match method \"%s\"" host))))