Hm, that's surprising. I added it as a known error response to the Internet Explorer dev tools in 2015 (inadvertently causing "I'm a teapot" to be localized int

Hm, that's surprising. I added it as a known error response to the Internet Explorer dev tools in 2015 (inadvertently causing "I'm a teapot" to be localized into 108 languages...). I wonder what "support" means.