[Gretl-devel] Re: Fwd: Lag specification with "to" keyword fails for passed list parameters in functions

On Fri, 22 May 2026, Riccardo (Jack) Lucchetti forwarded this from Artur Tarassow: > I've encountered what appears to be a bug (or unsupported feature) > when using lag specifications with the "to" keyword inside functions > when referring to a passed list parameter. > > The following code produces an error: "The symbol 'to' is undefined" > > <hansl> > set verbose off > open denmark.gdt --quiet > > function void foo(list D) > list L = LRM D.LRM(-1) > L += D.LRM(-2 to -4) # Error: "The symbol 'to' is undefined" > end function > foo(dataset) > </> I'd prefer to think of this as an "unsupported feature" ;-) But, anyway, it's now supported in git master.