> Yes, FriCAS should build with different awk, in particular mawk.

OK.

> From mawk manual:
> 
> :     Program flow at the pattern {action} level can be changed with the
> :
> :            next
> :            exit  opt_expr
> 
> so it seems that you are not allowed to use next in functions.

Yes, that would also be my interpretation. However, clearly, one can
only interpret it this way if one runs into that error. Unfortunately,
then I don't understand, why mawk seemingly allows to replace my "next"
by "exit 1" and does the right thing without signalling "exit not
allowed in this position".

The description above is not very clear if one must run the program to
see how it behaves.

Ralf

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