Package: ical I see: Package: ical depends: tcl(>7.3-3) | tcl(7.3-3), tk(>3.6-3) | tk(3.6-3), xbaseR6 The `>' operator in dependencies is a greater-or-equal operator, so the extra alternatives are not necessary. Furthermore, it should say `X11R6', not `xbaseR6'. Ian.