if (isset($full_name)) setPref($data_dir, $username, 'full_name', $full_name);
if (isset($email_address)) setPref($data_dir, $username, 'email_address', $email_address);
if (isset($reply_to)) setPref($data_dir, $username, 'reply_to', $reply_to);
+ if (! isset($usesignature))
+ $usesignature = 0;
setPref($data_dir, $username, 'use_signature', $usesignature);
if (! isset($prefixsig))
$prefixsig = 0;