Here are additional commands which affect the document as a whole. Most of these commands are for customizing the appearance of the printed output. They are generally all given before the Top node, if they are given at all.
@setchapternewpage: Blank Pages Before Chapters
@paragraphindent: Controlling Paragraph Indentation
@firstparagraphindent: Indenting After Headings
@exampleindent: Environment Indenting
@smallbook: Printing “Small” Books
@pagesizes[width][, height]: Custom Page Sizes