nsIEditorMailSupport in Firefox 3.6a1pre

 Get a list of IMG and OBJECT tags in the current document.

 Insert a string as quoted text
 (whose representation is dependant on the editor type),
 replacing the selected text (if any),
 including, if possible, a "cite" attribute.
 @param aQuotedText  The actual text to be quoted
 @param aCitation    The "mid" URL of the source message
 @param aInsertHTML  Insert as html?  (vs plaintext)
 @return             The node which was inserted

 Insert a string as quoted text
 (whose representation is dependant on the editor type),
 replacing the selected text (if any).
 @param aQuotedText  The actual text to be quoted
 @return             The node which was inserted

 Inserts a plaintext string at the current location,
 with special processing for lines beginning with ">",
 which will be treated as mail quotes and inserted
 as plaintext quoted blocks.
 If the selection is not collapsed, the selection is deleted
 and the insertion takes place at the resulting collapsed selection.

 @param aString   the string to be inserted

 Paste a string as quoted text,
 whose representation is dependant on the editor type,
 replacing the selected text (if any)
 @param aCitation    The "mid" URL of the source message
 @param aSelectionType Text or html?

 Paste the text in the OS clipboard at the cursor position,
 as a quotation (whose representation is dependant on the editor type),
 replacing the selected text (if any).
 @param aSelectionType Text or html?

 Rewrap the selected part of the document, re-quoting if necessary.
 @param aRespectNewlines  Try to maintain newlines in the original?

 Strip any citations in the selected part of the document.