Possible to burst html output as email body?

I was wondering if it were possible, via bursting control file, to send the document attachment as the body of an email when bursting to an smtp server with the <xapi:delivery><xapi:email> tag?  I know it is possible to specify the email body as html using the <xapi:message> tag and specifying a content-type attriubte of "text/html" but I was wondering if it were possible to have BI Publisher actually output the burst attachment as HTML and send that as the email body. I'd imagine this could be accomplished by somehow specifying the content-disposition of the attachment as "inline" in the generated