PDF's are designed more for display than for manipulation (although they can be tagged, etc.). For further info, see http://en.wikipedia.org/wiki/Pdf and, more pointedly, http://www.useit.com/alertbox/20030714.html On 3/9/06, David Smilde <[log in to unmask]> wrote: > . . . What is it about PDF documents that makes them so >resistant to CAQDAS? . . .