According to Malcolm Austen:
> I only need to pass one string through but someone will want more! Could
> we have, say, USER_STRING_<digit> as a hidden input field option to be
> passed through into search results just like restrict and exclude and
> available for substitution as $(USER_STRING_n)

allow_in_form: user_string_1

will take the user_string_1 input parameter, and use it to set the
user_string_1 config attribute and the USER_STRING_1 template variable.
Yes, you can define your own arbitrary input parameters, config
attributes and template variables in this way - you're not restricted
to the pre-defined ones.  You can choose any name you want, e.g.
"header_string" or anything else you think is appropriate.

-- 
Gilles R. Detillieux              E-mail: <[EMAIL PROTECTED]>
Spinal Cord Research Centre       WWW:    http://www.scrc.umanitoba.ca/~grdetil
Dept. Physiology, U. of Manitoba  Phone:  (204)789-3766
Winnipeg, MB  R3E 3J7  (Canada)   Fax:    (204)789-3930

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