diff --git a/mozilla/content/html/document/src/nsHTMLContentSink.cpp b/mozilla/content/html/document/src/nsHTMLContentSink.cpp
index 050fd2cd297..baea07dd3c3 100644
--- a/mozilla/content/html/document/src/nsHTMLContentSink.cpp
+++ b/mozilla/content/html/document/src/nsHTMLContentSink.cpp
@@ -178,7 +178,7 @@ public:
   NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
   NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
   NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
-  NS_IMETHOD NotifyError(nsresult aErrorResult);
+  NS_IMETHOD NotifyError(const nsParserError* aError);
   NS_IMETHOD AddComment(const nsIParserNode& aNode);
   NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
 
@@ -3083,7 +3083,7 @@ HTMLContentSink::LoadStyleSheet(nsIURL* aURL,
 }
 
 NS_IMETHODIMP 
-HTMLContentSink::NotifyError(nsresult aErrorResult)
+HTMLContentSink::NotifyError(const nsParserError* aError)
 {
   // Errors in HTML? Who would have thought!
   // Why are you telling us, parser. Deal with it yourself.
diff --git a/mozilla/content/xml/document/src/nsXMLContentSink.cpp b/mozilla/content/xml/document/src/nsXMLContentSink.cpp
index d5c998f27d5..6ea00b3c3fa 100644
--- a/mozilla/content/xml/document/src/nsXMLContentSink.cpp
+++ b/mozilla/content/xml/document/src/nsXMLContentSink.cpp
@@ -720,9 +720,20 @@ nsXMLContentSink::AddLeaf(const nsIParserNode& aNode)
 }
 
 NS_IMETHODIMP
-nsXMLContentSink::NotifyError(nsresult aErrorResult)
-{
-  printf("nsXMLContentSink::NotifyError\n");
+nsXMLContentSink::NotifyError(const nsParserError* aError)
+{  
+  nsString errorText("XML Parser Error: '");
+
+  if (aError) {
+    errorText.Append(aError->description);
+    errorText.Append("', Line: ");
+    errorText.Append(aError->lineNumber, 10);
+    errorText.Append(", Column: ");
+    errorText.Append(aError->colNumber, 10);
+  }
+
+  AddText(errorText);
+  FlushText();
   return NS_OK;
 }
 
diff --git a/mozilla/content/xml/document/src/nsXMLContentSink.h b/mozilla/content/xml/document/src/nsXMLContentSink.h
index 1fbc4574efd..f9a820ffeb1 100644
--- a/mozilla/content/xml/document/src/nsXMLContentSink.h
+++ b/mozilla/content/xml/document/src/nsXMLContentSink.h
@@ -73,7 +73,7 @@ public:
   NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
   NS_IMETHOD AddComment(const nsIParserNode& aNode);
   NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
-  NS_IMETHOD NotifyError(nsresult aErrorResult);
+  NS_IMETHOD NotifyError(const nsParserError* aError);
 
   // nsIXMLContentSink
   NS_IMETHOD AddXMLDecl(const nsIParserNode& aNode);
diff --git a/mozilla/htmlparser/robot/nsRobotSink.cpp b/mozilla/htmlparser/robot/nsRobotSink.cpp
index 1fb2c0292d0..4c5eb9e457b 100644
--- a/mozilla/htmlparser/robot/nsRobotSink.cpp
+++ b/mozilla/htmlparser/robot/nsRobotSink.cpp
@@ -63,7 +63,7 @@ public:
   NS_IMETHOD CloseFrameset(const nsIParserNode& aNode);
   NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
   NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
-  NS_IMETHOD NotifyError(nsresult aErrorResult);
+  NS_IMETHOD NotifyError(const nsParserError* aError);
   NS_IMETHOD CloseTopmostContainer();
   NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
   NS_IMETHOD AddComment(const nsIParserNode& aNode);
@@ -249,7 +249,7 @@ NS_IMETHODIMP RobotSink::AddLeaf(const nsIParserNode& aNode)
   return NS_OK;
 }
 
-NS_IMETHODIMP RobotSink::NotifyError(nsresult aErrorResult)
+NS_IMETHODIMP RobotSink::NotifyError(const nsParserError* aError)
 {
   return NS_OK;
 }
diff --git a/mozilla/layout/html/document/src/nsHTMLContentSink.cpp b/mozilla/layout/html/document/src/nsHTMLContentSink.cpp
index 050fd2cd297..baea07dd3c3 100644
--- a/mozilla/layout/html/document/src/nsHTMLContentSink.cpp
+++ b/mozilla/layout/html/document/src/nsHTMLContentSink.cpp
@@ -178,7 +178,7 @@ public:
   NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
   NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
   NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
-  NS_IMETHOD NotifyError(nsresult aErrorResult);
+  NS_IMETHOD NotifyError(const nsParserError* aError);
   NS_IMETHOD AddComment(const nsIParserNode& aNode);
   NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
 
@@ -3083,7 +3083,7 @@ HTMLContentSink::LoadStyleSheet(nsIURL* aURL,
 }
 
 NS_IMETHODIMP 
-HTMLContentSink::NotifyError(nsresult aErrorResult)
+HTMLContentSink::NotifyError(const nsParserError* aError)
 {
   // Errors in HTML? Who would have thought!
   // Why are you telling us, parser. Deal with it yourself.
diff --git a/mozilla/layout/xml/document/src/nsXMLContentSink.cpp b/mozilla/layout/xml/document/src/nsXMLContentSink.cpp
index d5c998f27d5..6ea00b3c3fa 100644
--- a/mozilla/layout/xml/document/src/nsXMLContentSink.cpp
+++ b/mozilla/layout/xml/document/src/nsXMLContentSink.cpp
@@ -720,9 +720,20 @@ nsXMLContentSink::AddLeaf(const nsIParserNode& aNode)
 }
 
 NS_IMETHODIMP
-nsXMLContentSink::NotifyError(nsresult aErrorResult)
-{
-  printf("nsXMLContentSink::NotifyError\n");
+nsXMLContentSink::NotifyError(const nsParserError* aError)
+{  
+  nsString errorText("XML Parser Error: '");
+
+  if (aError) {
+    errorText.Append(aError->description);
+    errorText.Append("', Line: ");
+    errorText.Append(aError->lineNumber, 10);
+    errorText.Append(", Column: ");
+    errorText.Append(aError->colNumber, 10);
+  }
+
+  AddText(errorText);
+  FlushText();
   return NS_OK;
 }
 
diff --git a/mozilla/layout/xml/document/src/nsXMLContentSink.h b/mozilla/layout/xml/document/src/nsXMLContentSink.h
index 1fbc4574efd..f9a820ffeb1 100644
--- a/mozilla/layout/xml/document/src/nsXMLContentSink.h
+++ b/mozilla/layout/xml/document/src/nsXMLContentSink.h
@@ -73,7 +73,7 @@ public:
   NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
   NS_IMETHOD AddComment(const nsIParserNode& aNode);
   NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
-  NS_IMETHOD NotifyError(nsresult aErrorResult);
+  NS_IMETHOD NotifyError(const nsParserError* aError);
 
   // nsIXMLContentSink
   NS_IMETHOD AddXMLDecl(const nsIParserNode& aNode);
diff --git a/mozilla/parser/htmlparser/robot/nsRobotSink.cpp b/mozilla/parser/htmlparser/robot/nsRobotSink.cpp
index 1fb2c0292d0..4c5eb9e457b 100644
--- a/mozilla/parser/htmlparser/robot/nsRobotSink.cpp
+++ b/mozilla/parser/htmlparser/robot/nsRobotSink.cpp
@@ -63,7 +63,7 @@ public:
   NS_IMETHOD CloseFrameset(const nsIParserNode& aNode);
   NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
   NS_IMETHOD CloseContainer(const nsIParserNode& aNode);
-  NS_IMETHOD NotifyError(nsresult aErrorResult);
+  NS_IMETHOD NotifyError(const nsParserError* aError);
   NS_IMETHOD CloseTopmostContainer();
   NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
   NS_IMETHOD AddComment(const nsIParserNode& aNode);
@@ -249,7 +249,7 @@ NS_IMETHODIMP RobotSink::AddLeaf(const nsIParserNode& aNode)
   return NS_OK;
 }
 
-NS_IMETHODIMP RobotSink::NotifyError(nsresult aErrorResult)
+NS_IMETHODIMP RobotSink::NotifyError(const nsParserError* aError)
 {
   return NS_OK;
 }
diff --git a/mozilla/rdf/base/src/nsRDFContentSink.cpp b/mozilla/rdf/base/src/nsRDFContentSink.cpp
index 1a6eedaf0e5..081dd0d81e0 100644
--- a/mozilla/rdf/base/src/nsRDFContentSink.cpp
+++ b/mozilla/rdf/base/src/nsRDFContentSink.cpp
@@ -157,7 +157,7 @@ public:
     NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
     NS_IMETHOD AddComment(const nsIParserNode& aNode);
     NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
-    NS_IMETHOD NotifyError(nsresult aErrorResult);
+    NS_IMETHOD NotifyError(const nsParserError* aError);
 
     // nsIXMLContentSink
     NS_IMETHOD AddXMLDecl(const nsIParserNode& aNode);
@@ -439,7 +439,7 @@ RDFContentSinkImpl::AddLeaf(const nsIParserNode& aNode)
 }
 
 NS_IMETHODIMP
-RDFContentSinkImpl::NotifyError(nsresult aErrorResult)
+RDFContentSinkImpl::NotifyError(const nsParserError* aError)
 {
     printf("RDFContentSinkImpl::NotifyError\n");
     return NS_OK;
diff --git a/mozilla/rdf/datasource/src/nsXULContentSink.cpp b/mozilla/rdf/datasource/src/nsXULContentSink.cpp
index ef90f0eb5e5..b7e94c14b66 100644
--- a/mozilla/rdf/datasource/src/nsXULContentSink.cpp
+++ b/mozilla/rdf/datasource/src/nsXULContentSink.cpp
@@ -131,7 +131,7 @@ public:
     NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
     NS_IMETHOD AddComment(const nsIParserNode& aNode);
     NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
-    NS_IMETHOD NotifyError(nsresult aErrorResult);
+    NS_IMETHOD NotifyError(const nsParserError* aError);
 
     // nsIXMLContentSink
     NS_IMETHOD AddXMLDecl(const nsIParserNode& aNode);
@@ -530,7 +530,7 @@ XULContentSinkImpl::AddLeaf(const nsIParserNode& aNode)
 }
 
 NS_IMETHODIMP
-XULContentSinkImpl::NotifyError(nsresult aErrorResult)
+XULContentSinkImpl::NotifyError(const nsParserError* aError)
 {
     printf("XULContentSinkImpl::NotifyError\n");
     return NS_OK;