term's parent gets overwritten

so here is the issue:
get a a vocabulary where terms can have only one parent
create a term with a non root parent
now go to edit this term and press save
on the submit the parent field will revert back to root (though this is not saved just shown)

the problem happens in taxonomy.admin.inc within taxonomy_form_term_submit():

  $current_parent_count = count($form_state['values']['parent']);
  $previous_parent_count = count($form['#term']['parent']);
  // Root doesn't count if it's the only parent.
  if ($current_parent_count == 1 && isset($form_state['values']['parent'][0])) {
    $current_parent_count = 0;
    $form_state['values']['parent'] = array();
  }

what does this do when $form_state['values']['parent'] equals to '3' ?
yes....
fortunately the term save happens before this so this aint saved. however can freak out ppl / tests who see this and on subsequent submit functions it could cause some interesting results as well.