added check for entries without abstract

Author: micheldumontier

interpro/interpro.php

@@ -173,15 +173,16 @@ function Parse($xml)
 					}
 				}
 			}
-			$abstract = (string) $o->abstract->p->asXML();
-			if(isset($pubs)) {
-				$abstract = str_replace($pubs['pid'],$pubs['pmid'],$abstract);
-			}
-			
-			parent::addRDF(
-				parent::triplifyString($s,"dc:description",$abstract)
-			);
 
+			if(isset($o->abstract)) {
+				$abstract = (string) $o->abstract->p->asXML();
+				if(isset($pubs)) {
+					$abstract = str_replace($pubs['pid'],$pubs['pmid'],$abstract);
+				}
+				parent::addRDF(
+					parent::triplifyString($s,"dc:description",$abstract)
+				);
+			}
 			if(isset($o->example_list)) {
 				foreach($o->example_list->example AS $example) {
 					$db = (string) $example->db_xref->attributes()->db;