From 3288a750fdb7f24e0a3fce2b14a613f37f9a1d3b Mon Sep 17 00:00:00 2001
From: hmurata <hmurata>
Date: Fri, 31 Oct 2003 17:40:07 +0000
Subject: [PATCH] (wl-summary-insert-thread): Fixed the logic to detect thread
 loop.

---
 wl/ChangeLog     |    5 +++++
 wl/wl-summary.el |   23 ++++++++++++-----------
 2 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/wl/ChangeLog b/wl/ChangeLog
index 3c24a5e..7d2ce03 100644
--- a/wl/ChangeLog
+++ b/wl/ChangeLog
@@ -1,3 +1,8 @@
+2003-10-31  Hiroya Murata  <lapis-lazuli@pop06.odn.ne.jp>
+
+	* wl-summary.el (wl-summary-insert-thread): Fixed the logic to
+	detect thread loop.
+
 2003-10-27  Hiroya Murata  <lapis-lazuli@pop06.odn.ne.jp>
 
 	* wl-spam.el (wl-spam-setup): Modify wl-summary-reserve-mark-list
diff --git a/wl/wl-summary.el b/wl/wl-summary.el
index 1e91ba5..fbd0084 100644
--- a/wl/wl-summary.el
+++ b/wl/wl-summary.el
@@ -2563,8 +2563,8 @@ If ARG, without confirm."
 (defun wl-summary-insert-thread (entity folder update
 					&optional force-insert)
   (let ((depth 0)
-	this-id	parent-entity parent-number relatives anumber
-	cur number cur-entity linked retval delayed-entity
+	this-id	parent-entity parent-number
+	number cur-entity linked retval delayed-entity
 	update-list entity-stack thread-entity)
     (while entity
       (setq this-id (elmo-message-entity-field entity 'message-id)
@@ -2583,16 +2583,17 @@ If ARG, without confirm."
 	      linked nil))
       (setq parent-number (and parent-entity
 			       (elmo-message-entity-number parent-entity)))
-      (setq cur entity)
       ;; If thread loop detected, set parent as nil.
-      (while cur
-	(when (setq anumber
-		    (elmo-message-entity-number
-		     (setq cur (elmo-message-entity-parent folder cur))))
-	  (if (memq anumber relatives)
-	      (setq parent-number nil
-		    cur nil))
-	  (setq relatives (cons anumber relatives))))
+      (let ((cur entity)
+	    anumber relatives)
+	(while cur
+	  (when (setq anumber
+		      (elmo-message-entity-number
+		       (setq cur (elmo-message-entity-parent folder cur))))
+	    (if (memq anumber relatives)
+		(setq parent-number nil
+		      cur nil))
+	    (setq relatives (cons anumber relatives)))))
       (if (and parent-number
 	       (not (wl-thread-get-entity parent-number))
 	       (not force-insert))
-- 
1.7.10.4