... ... The URI used as a system identifier with the public identifier allows the user agent to download the DTD and entity sets as needed. The FPI for the Strict HTML 4.01 DTD is: "-//W3C//DTD HTML 4.01//EN" This version of the strict DTD is: http://www.w3.org/TR/1999/REC-html401-19991224/strict.dtd Authors should use the Strict DTD unless they need the presentation control for user agents that donít (adequately) support style sheets. If you are writing a document that includes frames, use the following FPI: "-//W3C//DTD HTML 4.01 Frameset//EN" This version of the frameset DTD is: http://www.w3.org/TR/1999/REC-html401-19991224/frameset.dtd Use the following (relative) URIs to refer to the DTDs and entity definitions of this specification: "strict.dtd" "loose.dtd" "frameset.dtd" "HTMLlat1.ent" "HTMLsymbol.ent" "HTMLspecial.ent" --> %HTMLlat1; %HTMLsymbol; %HTMLspecial; ]]> ]]> ]]> ]]> ]]> ]]> ... ... --> %HTML4.dtd;