From 80a56f77a468841d49a8f4e04817cf36640cfd2b Mon Sep 17 00:00:00 2001
From: dkf <donal.k.fellows@manchester.ac.uk>
Date: Tue, 18 Jan 2011 15:44:41 +0000
Subject: Add missing comment

---
 generic/tclOOMethod.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/generic/tclOOMethod.c b/generic/tclOOMethod.c
index 735ced9..bb10ca5 100644
--- a/generic/tclOOMethod.c
+++ b/generic/tclOOMethod.c
@@ -8,7 +8,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclOOMethod.c,v 1.30 2011/01/18 13:50:03 dkf Exp $
+ * RCS: @(#) $Id: tclOOMethod.c,v 1.31 2011/01/18 15:44:41 dkf Exp $
  */
 
 #ifdef HAVE_CONFIG_H
@@ -41,7 +41,8 @@ typedef struct {
     Tcl_Obj *nameObj;		/* The "name" of the command. */
     Command cmd;		/* The command structure. Mostly bogus. */
     ExtraFrameInfo efi;		/* Extra information used for [info frame]. */
-    Command *oldCmdPtr;
+    Command *oldCmdPtr;		/* Saved cmdPtr so that we can be safe after a
+				 * recursive call returns. */
     struct PNI pni;		/* Specialist information used in the efi
 				 * field for this type of call. */
 } PMFrameData;
-- 
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