apt-listchanges: Can't set locale; make sure $LC_* and $LANG are correct! Reading changelogs... Done perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LC_TIME = "en_CA.UTF-8", LC_MONETARY = "en_CA.UTF-8", LC_ADDRESS = "en_CA.UTF-8", LC_TELEPHONE = "en_CA.UTF-8", LC_NAME = "en_CA.UTF-8", LC_MEASUREMENT = "en_CA.UTF-8", LC_IDENTIFICATION = "en_CA.UTF-8", LC_NUMERIC = "en_CA.UTF-8", LC_PAPER = "en_CA.UTF-8", LANG = "C.UTF-8" are supported and installed on your system. perl: warning: Falling back to a fallback locale ("C.UTF-8").