> It actually works with tcl 8.0, 8.1 and 8.2 you are right. So what about : > > Depends: tcl8.0 | tcl8.1 | tcl8.2 Or mayby just depend on a version greater than 8.0, as you do with debhelper in you build depend. But Mayby tcl breaks backward compatability a lot and you thing it would be better without that, sort of a judgement call I guess. Britton