Creating Documents with Frames (<frameset>)
You use the <frameset> element when you want to display frames in a document. The <frameset> element replaces the <body> element in such documents; in XHTML 1.0, that means you use the XHTML 1.0 Frameset DTD. This element is supported in XHTML 1.0 Frameset only. The <frame> and <frameset> elements are not supported in XHTML 1.1; the XHTML 1.1 DTD does not makes any mention of these elements or of frames at all, and these elements are specifically listed as unsupported in XHTML 1.1. Why aren't frames supported in XHTML 1.1? They're not supported because the W3C expects style sheets to handle the presentation techniques that you use frames for today; whether the Web community will ultimately accept that ...
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