Fixes #2646 mention ELGG_ENTITIES_NO_VALUE in elgg_get_entities() documentation

diff --git a/engine/lib/entities.php b/engine/lib/entities.php
index ef03a698dd5d8655505e6063f596544f5e210e7e..0b229aac55161222fcefd36ba5358fade0ddead8 100644 (file)
--- a/engine/lib/entities.php
+++ b/engine/lib/entities.php
@@ -738,6 +738,7 @@ function elgg_entity_exists($guid) {
  *           Joined with subtypes by AND. See below)
  *
  *     subtypes => NULL|STR entity subtype (SQL: subtype IN ('subtype1', 'subtype2))
+ *              Use ELGG_ENTITIES_NO_VALUE for no subtype.
  *
  *     type_subtype_pairs => NULL|ARR (array('type' => 'subtype'))
  *                        (type = '$type' AND subtype = '$subtype') pairs