To convey a logical model other than visually, use markup
correctly. For example:
<b>9 May 1999</b> <img src="l1.gif">
becomes:
<h1>9 May 1999
<img src="l1.gif" alt="Latest News"></h1>
Related WCAG 1.0 checkpoints: 3.5
and
3.6. ATAG 1.0 checkpoint:
3.2.
