Don't use this patch! ;-)

diff -rup xpdf-3.02.orig/xpdf/PDFCore.cc xpdf-3.02/xpdf/PDFCore.cc
--- xpdf/PDFCore.cc	2007-02-27 23:05:52.000000000 +0100
+++ xpdf/PDFCore.cc	2007-03-25 14:52:23.000000000 +0200
@@ -1563,9 +1563,6 @@ GString *PDFCore::extractText(int pg, do
   int x0, y0, x1, y1, t;
   GString *s;
 
-  if (!doc->okToCopy()) {
-    return NULL;
-  }
   if ((page = findPage(pg))) {
     cvtUserToDev(pg, xMin, yMin, &x0, &y0);
     cvtUserToDev(pg, xMax, yMax, &x1, &y1);
diff -rup xpdf-3.02.orig/xpdf/XPDFCore.cc xpdf-3.02/xpdf/XPDFCore.cc
--- xpdf/XPDFCore.cc	2007-02-27 23:05:52.000000000 +0100
+++ xpdf/XPDFCore.cc	2007-03-25 14:52:31.000000000 +0200
@@ -388,6 +388,7 @@ void XPDFCore::endSelection(int wx, int 
 	  copySelection();
 	} else {
 	  error(-1, "Copying of text from this document is not allowed.");
+	  copySelection();
 	}
       }
 #endif
@@ -407,9 +408,6 @@ void XPDFCore::copySelection() {
   int pg;
   double ulx, uly, lrx, lry;
 
-  if (!doc->okToCopy()) {
-    return;
-  }
   if (getSelection(&pg, &ulx, &uly, &lrx, &lry)) {
     //~ for multithreading: need a mutex here
     if (currentSelection) {
diff -rup xpdf-3.02.orig/xpdf/XPDFViewer.cc xpdf-3.02/xpdf/XPDFViewer.cc
--- xpdf/XPDFViewer.cc	2007-02-27 23:05:52.000000000 +0100
+++ xpdf/XPDFViewer.cc	2007-03-25 14:50:05.000000000 +0200
@@ -3408,7 +3408,9 @@ void XPDFViewer::printPrintCbk(Widget wi
   doc = viewer->core->getDoc();
   if (!doc->okToPrint()) {
     error(-1, "Printing this document is not allowed.");
+#if 0
     return;
+#endif
   }
 
   viewer->core->setBusyCursor(gTrue);
diff -rup xpdf-3.02.orig/xpdf/pdfimages.cc xpdf-3.02/xpdf/pdfimages.cc
--- xpdf/pdfimages.cc	2007-02-27 23:05:52.000000000 +0100
+++ xpdf/pdfimages.cc	2007-03-25 14:49:50.000000000 +0200
@@ -121,8 +121,10 @@ int main(int argc, char *argv[]) {
   // check for copy permission
   if (!doc->okToCopy()) {
     error(-1, "Copying of images from this document is not allowed.");
+#if 0
     exitCode = 3;
     goto err1;
+#endif
   }
 
   // get page range
diff -rup xpdf-3.02.orig/xpdf/pdftops.cc xpdf-3.02/xpdf/pdftops.cc
--- xpdf/pdftops.cc	2007-02-27 23:05:52.000000000 +0100
+++ xpdf/pdftops.cc	2007-03-25 14:49:18.000000000 +0200
@@ -281,8 +281,10 @@ int main(int argc, char *argv[]) {
   // check for print permission
   if (!doc->okToPrint()) {
     error(-1, "Printing this document is not allowed.");
+#if 0
     exitCode = 3;
     goto err1;
+#endif
   }
 
   // construct PostScript file name
diff -rup xpdf-3.02.orig/xpdf/pdftotext.cc xpdf-3.02/xpdf/pdftotext.cc
--- xpdf/pdftotext.cc	2007-02-27 23:05:52.000000000 +0100
+++ xpdf/pdftotext.cc	2007-03-25 14:49:28.000000000 +0200
@@ -163,8 +163,10 @@ int main(int argc, char *argv[]) {
   // check for copy permission
   if (!doc->okToCopy()) {
     error(-1, "Copying of text from this document is not allowed.");
+#if 0
     exitCode = 3;
     goto err2;
+#endif
   }
 
   // construct text file name