|  | @@ -750,13 +750,18 @@ function tripal_form_alter(&$form, $form_state, $form_id) {
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				|  |  |    }
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				|  |  |  
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				|  |  |    // Remove fields that have no form. It's just a bit too confusing to have
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				|  |  | -  // widgets appear in the form but without and form elements inside them.
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				|  |  | +  // widgets appear in the form but without any form elements inside them.
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				|  |  |    if ($form_id == 'tripal_entity_form') {
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				|  |  |      $children = element_children($form);
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				|  |  |      foreach ($children as $child) {
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				|  |  | -      // count the number of form elements
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				|  |  | +      // Count the number of form elements.
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				|  |  |        if (array_key_exists('und', $form[$child])) {
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				|  |  |          $total_widgets = 0;
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				|  |  | +        // Some fields with cardinality of one that aren't TripalFields
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				|  |  | +        // may not have an array, so we need to catch those.
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				|  |  | +        if (array_key_exists('#type', $form[$child]['und'])) {
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				|  |  | +          $total_widgets++;
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				|  |  | +        }
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				|  |  |          foreach ($form[$child]['und'] as $delta => $element) {
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				|  |  |            if (is_numeric($delta)) {
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				|  |  |              $total_widgets += count(element_children($element));
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