* progmodes/grep.el (rgrep): Don't bind `process-connection-type', because...

* progmodes/grep.el (rgrep): Don't bind `process-connection-type', because that makes the colours go away.

lisp/ChangeLog

 2011-07-06  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
+	* progmodes/grep.el (rgrep): Don't bind `process-connection-type',
+	because that makes the colours go away.
+
 	* mail/sendmail.el (send-mail-function): Change the default to
 	`sendmail-query-once'.
 	(sendmail-query-once): Add an autoload cookie.

lisp/progmodes/grep.el

@@ -966,8 +966,7 @@ This command shares argument histories with \\[lgrep] and \\[grep-find]."
       (setq dir default-directory))
     (if (null files)
 	(if (not (string= regexp grep-find-command))
-	    (let ((process-connection-type nil))
-	      (compilation-start regexp 'grep-mode)))
+	    (compilation-start regexp 'grep-mode))
       (setq dir (file-name-as-directory (expand-file-name dir)))
       (require 'find-dired)		; for `find-name-arg'
       (let ((command (grep-expand-template