>
> I thought I understood the Kosher markings on food. Would someone please explain
> what, exactly the circle-U, letter D and word Pareve mean (I thought that the
> circle-U indicated Kosher, the letter D indicates presence of diary and the word
> pareve 'guarantees' no dairy, but my Low-Fat Blue Bonnet margarine has the letter D
> after the circle-U even though I cannot find any hint of any diary in the ingredient
> list. The regular Blue Bonnet margarine has the letter D and clearly lists milk as
> an ingredient).

The D means *either* there are dairy ingredients in it *or* it has been
processed on dairy equipment.  My guess is they process both the regular
and low-fat on the same line, which is contaminated with milk from the
regular stuff.

Parve, as you say, guarantees no dairy.