xpic.tar.Z is a new release of xpic - the drawing program in contrib/clients/xpic on the X11R4 tape. You also need Xw.tar.Z. (The HP widgets ported to R3/R4 - the ones on the X11R3 tape are really R2 widgets and won't work with R3/R4) This xpic is at patchlevel 11.