Tweak error messages

diff --git a/includes/api/ApiQueryBacklinks.php b/includes/api/ApiQueryBacklinks.php
index e62fb07..cdc70ed 100644 (file)
--- a/includes/api/ApiQueryBacklinks.php
+++ b/includes/api/ApiQueryBacklinks.php
@@ -263,9 +263,13 @@ class ApiQueryBacklinks extends ApiQueryGeneratorBase {
                if (!is_null($this->params['continue']))
                        $this->parseContinueParam();
                else {
-                       $title = Title::newFromText( $this->params['title'] );
-                       if ( $title ) {
-                               $this->rootTitle = $title;
+                       if ( $this->params['title'] !== "" ) {
+                               $title = Title::newFromText( $this->params['title'] );
+                               if ( !$title ) {
+                                       $this->dieUsage("Invalid title param");
+                               } else {
+                                       $this->rootTitle = $title;
+                               }
                        } else {
                                $this->dieUsageMsg(array('missingparam', 'title'));
                        }