More useful debug output

[lhc/web/wiklou.git] / includes / DjVuImage.php

diff --git a/includes/DjVuImage.php b/includes/DjVuImage.php
index 842b3a9..c202024 100644 (file)
--- a/includes/DjVuImage.php
+++ b/includes/DjVuImage.php
@@ -1,8 +1,8 @@
 <?php
-
 /**
+ * DjVu image handler
  *
- * Copyright (C) 2006 Brion Vibber <brion@pobox.com>
+ * Copyright © 2006 Brion Vibber <brion@pobox.com>
  * http://www.mediawiki.org/
  *
  * This program is free software; you can redistribute it and/or modify
@@ -20,6 +20,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  * http://www.gnu.org/copyleft/gpl.html
  *
+ * @file
  */
 
 /**
@@ -247,6 +248,7 @@ class DjVuImage {
                        wfProfileIn( 'djvutxt' );
                        $cmd = wfEscapeShellArg( $wgDjvuTxt ) . ' --detail=page ' . wfEscapeShellArg( $this->mFilename ) ;
                        wfDebug( __METHOD__.": $cmd\n" );
+                       $retval = '';
                        $txt = wfShellExec( $cmd, $retval );
                        wfProfileOut( 'djvutxt' );
                        if( $retval == 0) {