languagesystem DFLT dflt;
languagesystem latn NLD;

feature locl {

    script latn;
    language NLD;
    lookup one {
        sub a by b;
    } one;

    # if we encounter a duplicate script/lang statement we want to combine them
    # (lookups https://github.com/fonttools/fonttools/issues/3748)
    script latn;
    language NLD;
    lookup two {
        sub x by z;
    } two;
} locl;