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Date:         Thu, 27 Aug 92 10:40:21 CET
From: Don Hosek <DHOSEK@HMCVAX.CLAREMONT.EDU>
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Subject:      More poking about in the letter style
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Why is \letter (and by associate \@processto, \@xproc and
\@yproc) defined \long? Is there any realistic scenario where a
paragraph ending could/should appear in the argument to
\begin{letter}?

Also, why does \letter insert a \leavevmode into its argument? It
seems like this should be appearing in \opening if it's going to
appear at all rather than way over at \letter. (This, by the way,
is a change to letter.sty in the past few years and doesn't seem
to be in latex.bug).

-dh