2.2. Principles of XUL Layout
XUL layout is the process of turning tag information into content a human can appreciate. XUL layout is different from application layout. The browser automatically takes care of the former. The latter is a design task allocated to a programmer or graphic designer. Automatic layout is described here.
The layout rules for HTML include something called the Box Model, defined in the CSS2 standard, section 8 (see http://www.w3.org/TR/REC-CSS2). HTML and XUL share a number of CSS2 styles, including box decorations. It is easy to conclude that the Box Model applies to XUL as well. It does, but this is only about one-third of the truth. Boxes are so important that we need to clear up any confusion at the start.
One issue ...
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