groff problem: it insists on A4 rather than letter!

[Lance Simmons <lance@lsimmons.net>]

I'm trying to use groff to create postscript, but it keeps returning
pages for A4 paper rather than letter.

I've checked /etc/papersize, and have set my own PAPERSIZE and PAPERCONF
environmental variables to "letter" and "/etc/papersize" respectively.

Passing a command to grops doesn't seem to help:

	groff -P -pletter foo.txt

produces postcript formatted for A4 paper.

Does anyone know how to create letter-sized postscript with groff?

-- 
Lance Simmons

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