This article is from the alt.usage.english FAQ, by Mark Israel misrael@scripps.edu with numerous contributions by others.
From: david@frnk303.franklin.com (David Justice)
> For what it's worth, I worked a few years at Merriam-Webster (late
> 1980s) and can attest that we never deliberately inserted false
> stuff for purposes of catching plagiarists. For one thing, every
> dictionary I've ever examined has been all too full of
> *un*intentional errors, and they could serve the same purpose.
On the other hand, books such as "Who's Who" do have fictitious
entries.
 
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