field module: field_view_field returns an empty field to the views module

I tried to find a bug in the field output of the D7 views module ( http://drupal.org/node/986064 ) but found out that it comes from the field module function field_view_field (field.module).

In my german drupal7-rc1 the field_view_field function receives the right language only for the first field.

It's the line

field_language($entity_type, $entity, $field_name, $langcode);

which returns "und" (LANGUAGE_NONE in bootstrap.inc)

After that field_view_field sets $options['language'] to 'und'
and now the called function _field_invoke_default returns no value.

I don't know the concept of translation handling in Drupal7, but it works for me with changing the function field_language from:

D7-rc1

function field_language($entity_type, $entity, $field_name = NULL, $langcode = NULL) {
  $display_languages = &drupal_static(__FUNCTION__, array());
  list($id, , $bundle) = entity_extract_ids($entity_type, $entity);
  $langcode = field_valid_language($langcode, FALSE);

  if (!isset($display_languages[$entity_type][$id][$langcode])) {
    $display_language = array();

    // By default display language is set to LANGUAGE_NONE if the field
    // translation is not available. It is up to translation handlers to
    // implement language fallback rules.
    foreach (field_info_instances($entity_type, $bundle) as $instance) {
      $display_language[$instance['field_name']] = isset($entity->{$instance['field_name']}[$langcode]) ? $langcode : LANGUAGE_NONE;
    }

    if (field_has_translation_handler($entity_type)) {
      $context = array(
        'entity_type' => $entity_type,
        'entity' => $entity,
        'language' => $langcode,
      );
      drupal_alter('field_language', $display_language, $context);
    }

    $display_languages[$entity_type][$id][$langcode] = $display_language;
  }

  $display_language = $display_languages[$entity_type][$id][$langcode];

  // Single-field mode.
  if (isset($field_name)) {
    return isset($display_language[$field_name]) ? $display_language[$field_name] : FALSE;
  }

  return $display_language;
}

to

function field_language($entity_type, $entity, $field_name = NULL, $langcode = NULL) {
  $display_languages = &drupal_static(__FUNCTION__, array());
  list($id, , $bundle) = entity_extract_ids($entity_type, $entity);
  $langcode = field_valid_language($langcode, FALSE);
  
  if (!isset($display_languages[$entity_type][$id][$field_name][$langcode])) {
  	$display_language = array();

    $display_language[$field_name] = isset($entity->$field_name[$langcode]) ? $langcode : LANGUAGE_NONE;

    if (field_has_translation_handler($entity_type)) {
      $context = array(
        'entity_type' => $entity_type,
        'entity' => $entity,
        'language' => $langcode,
      );
      drupal_alter('field_language', $display_language, $context);
    }

    $display_languages[$entity_type][$id][$langcode] = $display_language;
  }

  $display_language = $display_languages[$entity_type][$id][$langcode];

  // Single-field mode.
  if (isset($field_name)) {
    return isset($display_language[$field_name]) ? $display_language[$field_name] : FALSE;
  }

  return $display_language;
}