harvest是一个下载html网页得机器人

												        Document Type Definition for the HyperText Markup Language					Struct Level 1									Id: html-1s.dtd,v 1.1 1994/11/30 23:45:29 connolly Exp									Author: Daniel W. Connolly 					See Also: http://www.hal.com/%7Econnolly/html-spec/index.html						  http://info.cern.ch/hypertext/WWW/MarkUp2/MarkUp.html				-->																	"-//IETF//DTD HTML 2.0 Strict Level 1//EN"								        -- Typical usage:								            						"-//IETF//DTD HTML Strict Level 1//EN">					    					    ...					    					--					>																								%html-1;