From ca3d2ed9ce1c270ea77a25fb231a0046997d837f Mon Sep 17 00:00:00 2001
From: "bzbarsky%mit.edu"
 <bzbarsky%mit.edu@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Sun, 24 Oct 2004 17:18:27 +0000
Subject: [PATCH] Make setting attributes via attribute nodes in HTML correctly
 lowercase the attr name.  Bug 264644, r=sicking, sr=peterv

git-svn-id: svn://10.0.0.236/trunk@164275 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/content/base/src/nsDOMAttributeMap.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/mozilla/content/base/src/nsDOMAttributeMap.cpp b/mozilla/content/base/src/nsDOMAttributeMap.cpp
index 79dbe744b48..de31feb311b 100644
--- a/mozilla/content/base/src/nsDOMAttributeMap.cpp
+++ b/mozilla/content/base/src/nsDOMAttributeMap.cpp
@@ -170,8 +170,18 @@ nsDOMAttributeMap::SetNamedItem(nsIDOMNode *aNode, nsIDOMNode **aReturn)
 
     // Set the new attributevalue
     attribute->GetValue(value);
-    rv = mContent->SetAttr(ni->NamespaceID(), ni->NameAtom(),
-                           ni->GetPrefixAtom(), value, PR_TRUE);
+    if (ni->NamespaceID() == kNameSpaceID_None &&
+        mContent->IsContentOfType(nsIContent::eHTML)) {
+      // Set via setAttribute(), which may do normalization on the
+      // attribute name for HTML
+      nsCOMPtr<nsIDOMElement> ourElement(do_QueryInterface(mContent));
+      NS_ASSERTION(ourElement, "HTML content that's not an element?");
+      ourElement->SetAttribute(name, value);
+    } else {
+      // It's OK to just use SetAttr
+      rv = mContent->SetAttr(ni->NamespaceID(), ni->NameAtom(),
+                             ni->GetPrefixAtom(), value, PR_TRUE);
+    }
 
     // Not all attributes implement nsIAttribute.
     nsCOMPtr<nsIAttribute> attr = do_QueryInterface(aNode);