Senta,
that's not quite right. You can quite easily extract the text from PDF
files, provided you don't require the proper formatting. And it does not
work if the text is `drawn', ie stored as an image. There are tools
available to access the content of a PDF file, at www.pdfzone.com.
Oliver
-- //\\ computer officer | corpus research | department of english | school of - //\\ humanities | university of birmingham | edgbaston | birmingham b15 2tt - \\// united kingdom | phone +44-(0)121-414-6206 | fax +44-(0)121-414-5668/\ - \\// mobile 07050 104504 | http://www-clg.bham.ac.uk | o.mason@bham.ac.uk\/ -