Today after reloading Synaptic, marking update all files and apply;
Downloading proceeded without problems.
After logging out and in again, I opened Synaptic to browse.
It showed one file didn't load.
liblensfun0 0.25-3pclos to 0.26-1pclos
Using the menu to mark for update and apply, it wants to remove:
geeqie and ufraw.