don't know what you mean, the following code is with curlies but produces different output for the two options. 
use strict;

no strict "vars";  # option1
#our $x;        # option2

$x="main";

{
    package other;
    $x="other";
    print $x;
}

print $x;

__END__
1: othermain
2: otherother

[download]

Cheers Rolf

In reply to Re^4: the "our" declaration ?!! by LanX
in thread the "our" declaration ?!! by perlpal

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