Win32: missing log file option for pg_ctl running as service

When running pg_ctl as a windows service (WinXP Pro), I don't see any way
currently to configure a log file for it to use. I am using the following
syntax to register pg_ctl as a service:

pg_ctl register -N MyService -U myUser -P myPword -D myDataDir -w -o "-i"

A "-l myLog" option passed in would get ignored, according to pg-ctl.c.
Is there some other way that we should be configuring a log file when
running pg_ctl as a service on windows?

Thanks.

Steve McWilliams
Software Engineer
Emprisa Networks
703-691-0433x21
smcwilliams(at)emprisanetworks(dot)com

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