Oh I see.... I was wrong in using (pdf or txt). It worked, but have different meanings altogether from (pdf OR txt).
Thanks a lot for your help. Best regards, Yee -- View this message in context: http://lucene.472066.n3.nabble.com/Facet-filter-how-to-specify-OR-expression-tp2930570p2931347.html Sent from the Solr - User mailing list archive at Nabble.com.
