Launchpad currently recommends translating libxslt in Ubuntu Cosmic.

No translatable templates available

Either this project has not been set up to use Launchpad for translation, or libxslt in Ubuntu Cosmic does not have any strings to be translated through Launchpad. If you think this is incorrect, please see if the subject has already come up under Answers. If it hasn't, file a new question there. Thank you.

Other versions of libxslt in Ubuntu