Please see this:
http://packages.ubuntu.com/search?suite=default§ion=all&arch=any&searchon=names&keywords=tcl8.5
Also 8.5.0.a5-3v1ubuntu0 is not an official package of Ubuntu repositories. You are using unofficial repositories.
Please see this:
http:// packages. ubuntu. com/search? suite=default& section= all&arch= any&searchon= names&keywords= tcl8.5
Also 8.5.0.a5-3v1ubuntu0 is not an official package of Ubuntu repositories. You are using unofficial repositories.