about output format of parser of lib

Who can tell me which kind of output format
is adopted by the HTML parser of lib v4.0?

Thanks
-- 
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Tao Jiang     
phone:        (617)-253-3514(o)  (617)-576-9665 (h)
email:   jiangt@ceci.mit.edu    URL:  http://www.mech.pku.edu.cn 
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Received on Wednesday, 31 January 1996 10:30:44 UTC