dupont ~ # apt-get upgrade
Reading package lists... Done
Building dependency tree... Done
You might want to run `apt-get -f install' to correct these.
The following packages have unmet dependencies:
  php5-json: Depends: phpapi-20051025
E: Unmet dependencies. Try using -f.
dupont ~ # apt-get -f upgrade
Reading package lists... Done
Building dependency tree... Done
Correcting dependencies... Done
The following packages will be REMOVED:
  php5-json
The following packages will be upgraded:
  binutils cpio debianutils grub libtasn1-3 libxslt1.1 usbutils
7 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
Need to get 3511kB of archives.
After unpacking 106kB disk space will be freed.
Do you want to continue [Y/n]? n
Abort.
dupont ~ #