2.4. A Box Improvement: <GROUPBOX> and <CAPTION>
This chapter has covered all the basic structure and content tags that XUL has to offer. What on Earth can the rest of this book be about then? The answer is that the basic <box> technology is enhanced in an amazing variety of ways. The simplest example is a pair of tags: <groupbox> and <caption>. A related XUL tag is <radiogroup>, covered in Chapter 5, Scripting.
<groupbox> and <caption> are to XUL what <fieldset> and <legend> are to HTML. They allow a set of content items to be surrounded with a border. This is the same as a border CSS2 style, except that the border can have a title embedded in it. The purpose of the <groupbox> tag is purely visual. By collecting a number of related items together, ...
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