Adobe 38040334 User Guide - Page 310

XHTML requirement Actions Dreamweaver performs There must be a DOCTYPE declaration in the document prior to the root element, and the declaration must reference one of the three Document Type Definition (DTD) files for XHTML (strict, transitional, or frameset). Adds an XHTML DOCTYPE to an XHTML document: Or, if the XHTML document has a frameset: The root element of the document must be html, and the html element must designate the XHTML namespace. Adds the namespace attribute to the html element, as follows: A standard document must have the head, title, and body structural elements. A frameset document must have the head, title, and frameset structural elements. In a standard document, includes the head, title, and body elements. In a frameset document, includes the head, title, and frameset elements. All elements in the document must nest properly: This is a bad example. This is a good example. Generates correctly nested code and, when cleaning up XHTML, corrects nesting in code that was not generated by Dreamweaver. All element and attribute names must be lower- Forces HTML element and attribute names to be lower- case. case in the XHTML code that it generates and when cleaning up XHTML, regardless of your tag and attribute case preferences. Every element must have a closing tag, unless it Inserts closing tags in the code that it generates, and is declared in the DTD as EMPTY. when cleaning up XHTML. Empty elements must have a closing tag, or the opening tag must end with />. For example, is not valid; the correct form is or . Following are the empty elements: area, base, basefont, br, col, frame, hr, img, input, isindex, link, meta, and param. Inserts empty elements with a space before the closing slash in empty tags in the code that it generates, and when cleaning up XHTML. And for backwards-compatibility with browsers that are not XML-enabled, there must be a space before the /> (for example, , not ). Attributes can't be minimized; for example, is not valid; the correct form is . This affects the following attributes: checked, compact, declare, defer, disabled, ismap, multiple, noresize, noshade, nowrap, readonly, and selected. Inserts full attribute-value pairs in the code that it generates, and when cleaning up XHTML. Note: If an HTML browser does not support HTML 4, it might fail to interpret these Boolean attributes when they appear in their full form. All attribute values must be surrounded by quotation marks. Places quotation marks around attribute values in the code that it generates, and when cleaning up XHTML. DREAMWEAVER CS3 303 User Guide September 4, 2007