Index: branches/5.2.x/core/units/images/images.php
===================================================================
--- branches/5.2.x/core/units/images/images.php
+++ branches/5.2.x/core/units/images/images.php
@@ -23,7 +23,7 @@
 	 * @return bool
 	 * @access public
 	 */
-	public function Delete($id)
+	public function Delete($id = null)
 	{
 		$this->Load($id);
 		$local_path = FULL_PATH . $this->GetDBField('LocalPath');
@@ -36,7 +36,7 @@
 		if ( file_exists($thumb_path) ) {
 			unlink($thumb_path);
 		}
-		
+
 		return parent::Delete($id);
 	}
-}
\ No newline at end of file
+}
Index: branches/5.2.x/core/units/pdf/pdf_text.php
===================================================================
--- branches/5.2.x/core/units/pdf/pdf_text.php
+++ branches/5.2.x/core/units/pdf/pdf_text.php
@@ -230,7 +230,7 @@
 		}
 	}
 
-	function DrawAt($page, $x, $y, $spacer_w=0)
+	function DrawAt($page, $x=0, $y=0, $spacer_w=0)
 	{
 		$page->SetLineWidth(0.1);
 
@@ -258,4 +258,4 @@
 		$this->CurX = $x;
 	}
 
-}
\ No newline at end of file
+}