... difference? Or, more significantly, JB, why is it necessary (or appropriate) to draw a distinction between the two?

It seems to me that any chip which is NOT a rack chip is an LE and I don't recall ever seeing an LE that doesn't "commemorate" something. Webster: "Commemorate: 1 : to call to remembrance." Pretty much covers everything.

Not a heavy issue. Just wondering. ----- jim o\-S