On 9/11/2026 11:44 AM, Bart via fpc-devel wrote: > On Fri, Sep 11, 2026 at 9:09 AM Mattias Gaertner via fpc-devel > <fpc-devel at lists.freepascal.org> wrote: >> if Obj is not TStringList then ... > Semantically this would be the same as "not (Obj is TStringList)"? > What would be the advantages of this new construct? Delphi compatibility. Ondrej