On Monday 23 April 2012 20:21:40 Greg Madden wrote:
> I would trim your sources list, do you need 'deb-src' entries ? You also
> have two security entries, i use the ~sqeeze/updates one.  Sometimes a when
> a sources entry fails to connect you can get missing packages/depends.

Thanks, Greg.  You appear to have delivered a resuscitating electric shock to 
my brain.  At least I now know what was going wrong. 

All I have to do now is sort out 3.5.13.  If I can't, now I know what the 
problem was, I can always reinstall.

Lisi