Date ranges in avanti

[Thaddeus Lipinski]

Bernard

I would like to implement date ranges when searching with 
avanti.
In the search web pages there will be two boxes marked 
Year: from [ ] to [ ]
A blank box means any year.

Eg given two separate indexes (5) Publisher and (7) Dates
how do you construct the query "Items published by Cooper 
before 1670" in avanti.

Regards
Thaddeus

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Thaddeus Lipinski
Bodleian Library
Broad Street, Oxford OX13BG
Tel: 01865 277115
email: tsl at bodley.ox.ac.uk