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@amszmidt @jpmens @icing ok then, only implied.

I actually found this just now:

> The preferred document format for the GNU system is the Texinfo formatting language. Every GNU package should (ideally) have documentation in Texinfo both for reference and for learners

https://www.gnu.org/prep/standards/html_node/GNU-Manuals.html#GNU-Manuals

and:

> In the GNU project, man pages are secondary

https://www.gnu.org/prep/standards/html_node/Man-Pages.html#Man-Pages