diff --git a/mozilla/docshell/base/nsDocShell.cpp b/mozilla/docshell/base/nsDocShell.cpp
index d7c634a317e..bba7d92298e 100644
--- a/mozilla/docshell/base/nsDocShell.cpp
+++ b/mozilla/docshell/base/nsDocShell.cpp
@@ -1546,6 +1546,8 @@ nsresult nsDocShell::CreateContentViewer(const char* aContentType,
 {
    NS_ENSURE_STATE(mCreated);
 
+   //XXX We should return NS_ERROR_FAILURE if we can't create a new 
+   // one and then leave our window in tact....
    //XXXQ Can we check the content type of the current content viewer
    // and reuse it without destroying it and re-creating it?
 
diff --git a/mozilla/docshell/base/nsIDocShell.idl b/mozilla/docshell/base/nsIDocShell.idl
index 2ac596ec0e4..c19cb180425 100644
--- a/mozilla/docshell/base/nsIDocShell.idl
+++ b/mozilla/docshell/base/nsIDocShell.idl
@@ -37,19 +37,6 @@
  * The nsIDocShell
  */
 
- /*
- {69E5DE00-7B8B-11d3-AF61-00A024FFC08C} -
- {69E5DE99-7B8B-11d3-AF61-00A024FFC08C} have been reserved for DocShell
-													Interfaces.
-
- Currently Used:
- {69E5DE00-7B8B-11d3-AF61-00A024FFC08C} - nsIDocShell
- {69E5DE01-7B8B-11d3-AF61-00A024FFC08C} - nsIDocShellFile
- {69E5DE02-7B8B-11d3-AF61-00A024FFC08C} - nsIDocShellEdit
- {69E5DE03-7B8B-11d3-AF61-00A024FFC08C} - nsIHTMLDocShell
- {69E5DE04-7B8B-11d3-AF61-00A024FFC08C} - nsIDocShellContainer
- */
-
 [ptr] native nsIPresContext(nsIPresContext);
 [ptr] native nsIDocumentLoaderObserver(nsIDocumentLoaderObserver);
 [ptr] native nsIContentViewer(nsIContentViewer);