On Mon, Jul 30, 2018 at 04:31:04PM +0200, Pavel Machek wrote: > Well, I guess errors should have numbers, and catalog explaining what > error means what. That way userspace can translate, and it is what we > do with errno. > > I believe numbers are best. If you hate numbers, you can still use > strings, as long as you can enumerate them in docs (but it will be > strange design). Have you looked at how gettext() works? It uses the english text as a search string and replaces it with the localised string. This is a very common design!