Just to finish up the data on this question, the documentation regarding the security bit in PDF is available at: http://www-2.cs.cmu.edu/~dst/Adobe/Gallery/ You'll need to read a way into the page to find the relevant references. A. R. Vener writes: > Thanks, xpdf worked after I edited the xpdf/pdftotext.cc file. > > For anyone else who wants to do this, I also had to edit the ./Makefile to > remove the Splash line under the all: target and I also > ran ./configure --without-freetype2. > Finally I edited the xpdf/Makefile to remove every object in the all > : target except pdftotext$(exe). > After all that, I was able to run make and compile a working pdftotext . > > Rudy > > > On Sun, Nov 14, 2004 at 02:10:19PM +0100, Christian Schoepplein wrote: > > Hi! > > > > On Sa, Nov 13, 2004 at 04:19:20 -0500, A. R. Vener wrote: > > > I purchased a set of instrucional CD's which contain some > > > files in pdf format. > > > > > > Unfortunately when I try to convert them with pdf2txt, I get a message stating tthat the text > > > cannot be copied. > > > > > > Once upon a time I vaguely recall hearing that there is a single bit in the pdf file > > > that sets the copy protected mode. > > > Can anyone tell me if this is so and what the offset and bitmask would be? > > > > I use pdftotext to get out the text of a protected pdf file. pdftotext > > is part of the xpdf-utils package under debian. Normaly the programm > > works with protected pdf files without any changes out of the box. Bbut > > if it not works you can edit the sources of the package and comment out > > an if-statement witch is responsible for the protection. > > > > Hth, > > Schoeppi > > > > -- > > Christian Schoepplein | Alles rund ums WEB: http://www.connectweb.de > > chris at schoeppi.net | Linux fuer Blinde: http://www.blinux.suse.de > > > > _______________________________________________ > > > > Blinux-list@xxxxxxxxxx > > https://www.redhat.com/mailman/listinfo/blinux-list > > _______________________________________________ > > Blinux-list@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/blinux-list -- Janina Sajka, Chair Accessibility Workgroup Free Standards Group (FSG) janina@xxxxxxxxxxxxxxxxx Phone: +1 202.494.7040 _______________________________________________ Blinux-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/blinux-list