Hi there, up until the last version of Ppower4 (0.8.x) I used a class file I hade programmed for my group, which requires a background image. To include this, I didn't see any other way than using PDFscreen and \overlay.
With PPower4 0.9.2 it doesn't work anymore. I reveice the error code This is PPower4 version 0.9.2. [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19] Writing modified output file... Exception in thread "main" de.tu_darmstadt.sp.paul.PDFStreamException: could not read stream content from input at de.tu_darmstadt.sp.paul.PDFInputStream.readContent(PDFInputStream.java:113) at de.tu_darmstadt.sp.paul.PDFInputStream.updateContent(PDFInputStream.java:120) at de.tu_darmstadt.sp.paul.PDFInputStream.write(PDFInputStream.java:129) at de.tu_darmstadt.sp.paul.PDFReference.writeContent(PDFReference.java:184) at de.tu_darmstadt.sp.paul.PDFWriter.doWrite(PDFWriter.java:150) at de.tu_darmstadt.sp.paul.PDFFile.write(PDFFile.java:120) at de.tu_darmstadt.sp.paul.PDFFile.write(PDFFile.java:110) at de.tu_darmstadt.sp.paul.PDFFile.write(PDFFile.java:101) at de.tu_darmstadt.sp.pudl.Document.write(Document.java:288) at de.tu_darmstadt.sp.pp4.PP4Pages.work(PP4Pages.java:581) at de.tu_darmstadt.sp.pp4.PPower4.main(PPower4.java:175) Drücken Sie eine beliebige Taste . . . and Acrobat says the PDF-file is damaged. Taking the overlay out doesn't help. Only if I remove all PDF-embedded images and the overlay from the LaTeX file, will PPower4 create a usable PDF file. For now I will revert to version 0.8.x, but do you have any ideas? Stefan Krämer