In this video tutorial recorded at useR! 2021, Michael Chirico and Michael Lawrence aim to get package developers and other R community members started implementing foreign-language translations of R’s messages (errors, warnings, verbose output, etc.) into a language of their choosing.
Our real-time participants were focused on Spanish, Bahasa Indonesia, and Hungarian.
The tutorial presentation slides are publicly available in Google Slides format.
Note: This video describes the gettext infrastructure that R uses to internationalize messages. This background information and the tips for translation (first 1h15 of video) are still relevant, but we now recommend translations are added/updated via the R Project Weblate server.