is($oidx->eidx_meta($lc_key), $cmt_b, 'lc-v2 stays unchanged');
my @err = split(/^/, $err);
is(scalar(@err), 1, 'only one warning') or diag "err=$err";
is($oidx->eidx_meta($lc_key), $cmt_b, 'lc-v2 stays unchanged');
my @err = split(/^/, $err);
is(scalar(@err), 1, 'only one warning') or diag "err=$err";