From ada610b6a4331c973fe42a16aa603a9d70605fac Mon Sep 17 00:00:00 2001
From: morioka <morioka>
Date: Mon, 17 Mar 1997 12:44:38 +0000
Subject: [PATCH] (mime-view-header-visible-p): Don't calculate ctype is
 optional argument `ctype' is not nil.

---
 mime-view.el |   14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/mime-view.el b/mime-view.el
index de84d10..193b627 100644
--- a/mime-view.el
+++ b/mime-view.el
@@ -6,7 +6,7 @@
 ;; Created: 1994/7/13
 ;;	Renamed: 1994/8/31 from tm-body.el
 ;;	Renamed: 1997/02/19 from tm-view.el
-;; Version: $Revision: 0.37 $
+;; Version: $Revision: 0.38 $
 ;; Keywords: MIME, multimedia, mail, news
 
 ;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
@@ -40,7 +40,7 @@
 ;;;
 
 (defconst mime-view-RCS-ID
-  "$Id: mime-view.el,v 0.37 1997-03-17 12:12:01 morioka Exp $")
+  "$Id: mime-view.el,v 0.38 1997-03-17 12:44:38 morioka Exp $")
 
 (defconst mime-view-version (get-version-string mime-view-RCS-ID))
 
@@ -198,12 +198,14 @@ Each elements are regexp of field-name. [mime-view.el]")
 ;;;
 
 (defun mime-view-header-visible-p (rcnum cinfo &optional ctype)
+  "Return non-nil if header of current entity is visible."
   (or (null rcnum)
       (progn
-	(setq ctype
-	      (mime::content-info/type
-	       (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
-	       ))
+	(or ctype
+	    (setq ctype
+		  (mime::content-info/type
+		   (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
+		   )))
 	(member ctype mime-view-childrens-header-showing-Content-Type-list)
 	)))
 
-- 
1.7.10.4