// user signature
$_prefs['signature'] = array(
    'value' => '',
    'locked' => false,
    'shared' => true,
    'type' => 'implicit'
);

// preceed the signature with dashes ('-- ')?
$_prefs['sig_dashes'] = array(
    'value' => 0,
    'locked' => false,
    'shared' => true,
    'type' => 'implicit'
);

// signature before replies and forwards?
$_prefs['sig_first'] = array(
    'value' => 0,
    'locked' => false,
    'shared' => true,
    'type' => 'implicit'
);
