Index: content.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/cck/Attic/content.module,v
retrieving revision 1.301.2.118
diff -u -r1.301.2.118 content.module
--- content.module	30 Aug 2009 14:16:55 -0000	1.301.2.118
+++ content.module	4 Feb 2010 05:25:33 -0000
@@ -541,6 +541,35 @@
 }
 
 /**
+ * Custom multiple value field validator to validate all delta values
+ * to check if it is required.
+ * @param array $element
+ * @param array $form_state
+ * @return $element
+ */
+function content_multiple_values_validate($element, &$form_state) {
+  $field = content_fields($element['#field_name']);
+  $items = array();
+  if (!empty($form_state['values'][$element['#field_name']])) {
+    $items = $form_state['values'][$element['#field_name']];
+    // If there was an AHAH add more button in this field, don't save it.
+    unset($items[$element['#field_name'] .'_add_more']);
+  }
+  $filtered = array();
+  $function = $field['module'] .'_content_is_empty';
+  foreach ((array) $items as $delta => $item) {
+    if (!$function($item, $field)) {
+      $filtered[] = $item;
+    }
+  }
+  if (empty($filtered)) {
+    $title = empty($element['#title']) ? $field['widget']['label'] : $element['#title'];
+    form_error($element, t('%title is required.', array('%title' => $title)));
+  }
+  return $element;
+}
+
+/**
  * Modules notify Content module when uninstalled, disabled, etc.
  *
  * @param string $op
Index: includes/content.node_form.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/cck/includes/Attic/content.node_form.inc,v
retrieving revision 1.7.2.21
diff -u -r1.7.2.21 content.node_form.inc
--- includes/content.node_form.inc	18 Jul 2009 00:40:20 -0000	1.7.2.21
+++ includes/content.node_form.inc	4 Feb 2010 05:25:33 -0000
@@ -179,6 +179,9 @@
     '#required' => $field['required'],
     '#description' => $description,
   );
+  if ($field['multiple'] >= 1 && $field['required']) {
+    $form_element['#element_validate'] = array('content_multiple_values_validate');
+  }
   $function = $field['widget']['module'] .'_widget';
 
   for ($delta = 0; $delta <= $max; $delta++) {
@@ -186,7 +189,7 @@
       $defaults = array(
         '#title' => ($field['multiple'] >= 1) ? '' : $title,
         '#description' => ($field['multiple'] >= 1) ? '' : $description,
-        '#required' => $delta == 0 && $field['required'],
+        '#required' => ($field['multiple'] >= 1) ? FALSE : $field['required'],
         '#weight' => $delta,
         '#delta' => $delta,
         '#columns' => array_keys($field['columns']),