body message saving empty space

Hi,

if (!empty($message->thread_id) && ($message->body === NULL || $message->body === '') ) {
if ($form) {
form_set_error('body', t('You must include a message in your reply.'));
}
else {
$messages['error'][] = t('A message must be included in your reply.');
}
}

Please add trim($message->body).

Reason is if i enter blank message above the validation take place. But in press enter key(with out typing anything) then blank message is saving. Please add trim($message->body). It will trim and check $message->body content.

Regards
tssarun.