// mailbox constraints
$_prefs['max_msgs'] = array(
    'value' => 20,
    'locked' => false,
    'shared' => false,
    'type' => 'number',
    'desc' => _("Messages per page in the mailbox view.")
);

// number of spelling corrections per screen
$_prefs['num_words'] = array(
    'value' => 3,
    'locked' => false,
    'shared' => false,
    'type' => 'number',
    'desc' => _("Spelling errors per screen when spell checking.")
);
