I found the cause of the formatting issue sooner than I expected. Without pointing any fingers, the plug-in upgrade of Recent Posts from 1.13 to 1.2 had the unintended consequence described in my earlier post.
We’re running under the new WordPress 3.0 major upgrade, but using an older and highly customized theme. The new default theme Twenty Ten is way cool, but it will take months for us to convert and take advantage of all the new features.
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