PROBLEM:
combining a non-empty "keywords" field with an empty "words" field results
in a Boolean error from htsearch; is there any way around this?
BACKGROUND:
the database contains a listing of publications, and I'm using the
"keywords" field to select special topics and the "words" field to
narrow the search to specific authors or words in the title; I would
like to make it possible to retrieve all papers on a given topic by
just leaving the "words" field empty, but that doesn't seem to work...
thank you for your attention,
Carlo Beenakker
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