addon
Get flash to fully experience Pearltrees
You can use Operator to debug your microformats. When you turn on debug microformats mode and debug mode in preferences, you'll see a new handler called "Debug" that shows different views of the microformat. If a microformat doesn't show up, but you believe there is one, it might be because the microformat is invalid. You can turn on debug mode in options to see invalid microformats.
Operator :: Firefox Add-ons
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