we moved from 1.7.1 to 1.8 RC1 , under execute there is a button for IMPORT XML Results and format says
<?xml version="1.0" encoding="UTF-8"?>
<!-- Comment -->
<results>
<testcase external_id="POL-1" >
<!-- if not present logged user will be used -->
<tester>u0113</tester> <!-- tester LOGIN Name--->
<!-- if not present now() will be used -->
<timestamp>2008-09-08 14:00:00</timestamp>
<result>p</result>
<notes>functionality works great </notes>
</testcase>
<testcase external_id="POL-1" > <!-- ANOTHER EXE for SAME test case --->
<result>f</result>
<notes>functionality works great KIMI</notes>
</testcase>
<testcase external_id="1256" > <!-- Using INTERNAL ID --->
<result>f</result>
<notes>Using INTERNAL ID as link </notes>
</testcase>
</results>
but I am not able to upload files in this format.. please suggest.