Version ?:
  - minor UI changes (patch contributed by Eduardo de Barros Lima)
  - hand tool (partially contributed by Vincenzo Ciancia)

Version 0.3.1 (Aug 3, 2006):
  - fixed a file format bug on systems with non-standard numeric locale
    (bug reported by Gert Renckens)

Version 0.3 (Jul 23, 2006):
  - new PDF rendering engine: export to PDF generates optimized files
    (smaller and more accurate)
  - export to PDF handles PDF backgrounds (up to PDF-1.4) natively
    (without conversion to bitmap)
  - default thickness of erasers and highlighters slightly increased
  - zoom dialog box with input box and "fit to page height" option
  - file format documentation added to the user's manual

Version 0.2.2 (Jun 5, 2006):
  - mapping of tools to stylus buttons (the options menu has new entries
    to allow the mapping of buttons 2 and 3 to arbitrary tools; the tools
    menu and toolbar affect the settings for button 1) (see manual)
  - moving selection by drag-and-drop works across page boundaries
  - vertical space tool can move items to next page (only when the entire
    block being moved has crossed the page boundary; items on the new page
    are not moved)
  - "apply to all pages" is now a toggle button affecting the behavior of
    paper size, color, and style commands
  - change in the behavior of the selection upon switching between tools

Version 0.2.1 (Jun 3, 2006):
  - recently used files listed in file menu
  - can change color or thickness of pen strokes in selection
  - function to apply paper style to all pages
  - can specify on command line a PDF file to annotate
  - suggest a derived file name for PDF annotation
  - speed up switching between pages
  - fixed a bug in XInput initialization (thanks to Luca de Cicco)
  - fixed a bug in print ranges (thanks to Mathieu Bouchard)
  - fixed a refresh bug in rescaling bitmap backgrounds

Version 0.2 (Jan 29, 2006):
  - PDF file annotation using xpdf's pdftoppm
     (PDF backgrounds updated asynchronously at all resolutions) 
  - PS/PDF backgrounds (as bitmaps at fixed resolution) using ghostscript
  - option to antialias and filter bitmap backgrounds when zooming
  - option to emulate eraser tip with right mouse button
  - binary installer allows non-root installation without compiling
  - full-screen mode (patch contributed by Luca De Cicco)

Version 0.1.1 (Jan 5, 2006): 
  - two bugfixes
  - backward compatibility with GTK+ 2.4

Version 0.1   (Jan 2, 2006): initial release