\ in .forward files?

I've seen no mention (grepped for it) in the main document. What does
exim do if this is the first character in a .forward file? Does it treat
it the same way as sendmail?

The standard is a vacation forward file I suppose...
\user "|/usr/ucb/vacation user"

Thanks.

--
Alan Thew                                       alan.thew@???
Computing Services,University of Liverpool      Fax: +44 151 794-4442