Re: [groff] Changing A Defined String

[Tadziu Hoffmann]

> But I don't think that eliminates the macro call stack
> growing on tail recursion, like dc(1) does for example?

True, groff does not have an optimization for tail recursion,
so the input stack will fill up even in this case.

> I see groff's info says «Note that the number of available
> recursion levels is set to 1000 (this is a compile-time
> constant value of 'gtroff')».

I think what is meant is that the default value is
a compile-time constant.  You can actually set the
register "slimit" to a higher value at runtime
if you need a larger stack.