Hi mcc,
> * A_Typesetter_independent_TROFF (cstr97) by Brian W. Kerningham
> * A TROFF Tutorial by Brian W. Kernighan
>
> Is there any document, which I miss, which will help a beginner in
> things [nt]?roff to get started?
The one to read is
Nroff/Troff User's Manual.
CSTR #54, J. F. Ossanna, Bell Labs, 1976.
Revised by Brian Kernighan, 1992.
available at https://www.troff.org/54.pdf
> I prefer documents, which do not include specialities of special
> implementations, since they will not work with other implementations
> als long these enhancements are not common to all newer
> implementations
If a troff doesn't handle what's in CSTR #54 then it arguably isn't troff.
--
Cheers, Ralph.
