Indeed, it seems that gettext cannot handle the bullets (•). So I replaced them by hypens.
-- You received this bug notification because you are a member of Ubuntu Translations Coordinators, which is subscribed to Ubuntu Translations. Matching subscriptions: Ubuntu Translations bug mail https://bugs.launchpad.net/bugs/972427 Title: Proprietary codec plugin message in English although translated Status in Session Installer: Confirmed Status in Ubuntu Translations: Triaged Status in “sessioninstaller” package in Ubuntu: Confirmed Bug description: Hello The translation of the message in the notify display are translated in launchpad but not appear translated. See attached screenshot To manage notifications about this bug go to: https://bugs.launchpad.net/sessioninstaller/+bug/972427/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-translations-coordinators Post to : ubuntu-translations-coordinators@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-translations-coordinators More help : https://help.launchpad.net/ListHelp