From 701b14665204a0bd381a732a4b32c9861c57ae29 Mon Sep 17 00:00:00 2001
From: "tor%cs.brown.edu" <tor%cs.brown.edu>
Date: Thu, 23 Mar 2006 19:43:07 +0000
Subject: [PATCH] Bug 331481 - make sure style rule is updated after a
 presentation attribute is removed.  patch by roc, r+sr=tor

---
 content/svg/content/src/nsSVGElement.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/content/svg/content/src/nsSVGElement.cpp b/content/svg/content/src/nsSVGElement.cpp
index 87ed9992b104..4658cf217ba5 100644
--- a/content/svg/content/src/nsSVGElement.cpp
+++ b/content/svg/content/src/nsSVGElement.cpp
@@ -229,6 +229,11 @@ nsresult
 nsSVGElement::UnsetAttr(PRInt32 aNamespaceID, nsIAtom* aName,
                         PRBool aNotify)
 {
+  // If this is an svg presentation attribute, remove rule to force an update
+  if (aNamespaceID == kNameSpaceID_None && IsAttributeMapped(aName)) {
+    mContentStyleRule = nsnull;
+  }
+
   if (aNamespaceID == kNameSpaceID_None && IsEventName(aName)) {
     nsCOMPtr<nsIEventListenerManager> manager;
     GetListenerManager(PR_FALSE, getter_AddRefs(manager));