Only output the man page name on failures

* man.el (Man-bgproc-sentinel): Skip any arguments and only output
the man page name.

Fixes: debbugs:6935

lisp/ChangeLog

@@ -10,6 +10,9 @@
 
 2011-07-14  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
+	* man.el (Man-bgproc-sentinel): Skip any arguments and only output
+	the man page name (bug#7929).
+
 	* image.el (put-image): Mention the `put-image' overlay property
 	(bug#7834).
 

lisp/man.el

@@ -1257,12 +1257,20 @@ manpage command."
 	  (Man-mode)
 
 	  (if (not Man-page-list)
-	      (let ((args Man-arguments))
+ 	      (let ((args Man-arguments))
 		(kill-buffer (current-buffer))
-		(error "Can't find the %s manpage" args)))
-
-          (set-buffer-modified-p nil)
-          ))
+		(error "Can't find the %s manpage"
+		       ;; Skip arguments and only print the page name.
+		       (mapconcat
+			'identity
+			(delete nil
+				(mapcar
+				 (lambda (elem)
+				   (and (not (string-match "^-" elem))
+					elem))
+				 (split-string args " ")))
+			" ")))
+	    (set-buffer-modified-p nil))))
 	;; Restore case-fold-search before calling
 	;; Man-notify-when-ready because it may switch buffers.