/a></span></div>
<div class="block">Read and parse the given RFC822 message stream till the
 blank line separating the header from the body. Store the
 header lines inside this InternetHeaders object. The order
 of header lines is preserved. <p>

 Note that the header lines are added into this InternetHeaders
 object, so any existing headers in this object will not be
 affected.  Headers are added to the end of the existing list
 of headers, in order.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>