> <\body> The provides tags for entering information about the entire document. The two top-level tags are <\explain|>|data-n>> Specify data attached to your document (title, authors, ; see below) and render the title. <\explain|> The abstract for your paper. When creating a tag using , automatically inserts a tag as its first arguments. New data may be inserted from the menu. Each child , >, of the tag is of one of the following forms: <\explain|> Specify the of the document. <\explain|> Specify the of the document. <\explain|>|data-n>> Specify datas for one of the authors of the document (name, affiliation, ; see below). <\explain|> The creation date of the document. In particular you may take > for the value of for the current date. <\explain|> Specify a running for your document which may be used in page headers. <\explain|> Specify a running for your document which may be used in page headers. <\explain|>|kw-n>> Specify keywords until for your document. <\explain|>|nr-n>> Specify subject classification numbers until for your document. <\explain|> A note about your document. In particular, you may take > for the value of in order to indicate that your document has been written using . <\explain|>|data-n>> Specify structured datas for one of the authors of the document (name, affiliation, ; see below). When inserting an additional author using , inserts a >> tree with an tag as its first argument. New author data may be inserted from the menu. Each child , >, of the tag is of one of the following forms: <\explain|> Specify the of the author. <\explain|> The of the author. <\explain|> An address for the author. <\explain|> The of the author. <\explain|> A miscellaneous attached to the author, like a thank-word. As a general rule, the use of any of the subtags of or is optional. An individual subtag may also be specified several times. This is useful for documents with several authors, or authors with several addresses. The rendering of title information is very style-dependent: some styles render addresses in a single line or even as a footnote, where other styles use a more widely spaced presentation. Often, some information like keywords or AMS subject classification numbers are only rendered as a part of the abstract. >