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2.10. Tables

For a language that emerged from academia -- a world steeped in data -- it's not surprising to find that HTML, and now its progeny XHTML, support a set of tags for data tables that not only align your numbers, but can specially format your text, too.

Five tags enable tables, including the <table> tag itself and a <caption> tag for including a description of the table. Special tag attributes let you change the look and dimensions of the table. You create a table row by row, putting between the table row (<tr> ) tag and its end tag (</tr>) either table header (<th> ) or table data (<td>) tags and their respective contents for each cell in the table (end tags, too, with XHTML). Headers and data may contain nearly any regular content, including text, images, forms, and even another table. As a result, you can also use tables for advanced text formatting, such as for multicolumn text and sidebar headers (see Figure 2-5). For more information, see Chapter 10, "Tables".

Figure 2-5

Figure 2-5. HTML tables let you perform page layout tricks, too

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