allow rdf:about as a guid source

diff --git a/functions.php b/functions.php
index e0974725fe8cd87699081095c9f6d2eaf8780f2e..c60cb00b61a4bb43c8c9a9bddcbcb64a52aa6204 100644 (file)
--- a/functions.php
+++ b/functions.php
@@ -817,6 +817,7 @@
                                        $entry_guid = $item["id"];
 
                                        if (!$entry_guid) $entry_guid = $item["guid"];
+                                       if (!$entry_guid) $entry_guid = $item["about"];
                                        if (!$entry_guid) $entry_guid = $item["link"];
                                        if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
                                }