If this is included in a web page, the page will not validate. (nonstandard) Specifies the metadata profile scheme. scheme=string Specifies a name for the meta information. Examples are author, description, generator, and keywords. name=string Specifies the http equivalent name for the meta information. Examples are content-type, expires, refresh, and set-cookie. http-equiv=string Defines the value of the meta tag property. content=string (required) Provides meta information about the document. Must be placed inside the HTML page??™s head section. Each meta element requires a content attribute and also an http-equiv or a name attribute. Most commonly used to define the character set, and to set keywords and descriptions for search engines (increasingly ineffective, as search engines now pay more attention to page content and links than to meta tags). See also Chapter 2, ???meta tags and search engines,??? and ???What about the XML declaration???? XHTML REFERENCE 431 A Element Attribute Description Standard attributes Core attributes, language attributes