--- latex-original/class.latexrender.php	2011-04-29 10:53:02.000000000 +0300
+++ latex/class.latexrender.php	2013-03-09 21:51:06.000000000 +0200
@@ -51,16 +51,7 @@
 		var $_font_size = 10;
 		var $_latexclass = "article"; //install extarticle class if you wish to have smaller font sizes
     var $_tmp_filename;
-    // this most certainly needs to be extended. in the long term it is planned to use
-    // a positive list for more security. this is hopefully enough for now. i'd be glad
-    // to receive more bad tags !
-    var $_latex_tags_blacklist = array(
-	   "include","def","command","loop","repeat","open","toks","output","input",
-	   "catcode","name","^^",
-	   "\\every","\\errhelp","\\errorstopmode","\\scrollmode","\\nonstopmode","\\batchmode",
-	   "\\read","\\write","csname","\\newhelp","\\uppercase", "\\lowercase","\\relax","\\aftergroup",
-	   "\\afterassignment","\\expandafter","\\noexpand","\\special"
-	    );
+    var $_latex_tags_blacklist = array();
     var $_errorcode = 0;
 		var $_errorextra = "";
 		var $_filename;
@@ -240,18 +231,13 @@
 			return false;
 		}
 
-	   // convert dvi file to postscript using dvips
-	   $command = $this->_dvips_path." -E ".$this->_tmp_filename.".dvi"." -o ".$this->_tmp_filename.".ps";
-	   $this->myexec($command,$status_dvips);
-
-
 	   // imagemagick convert ps to image and trim picture
-	   $command = $this->_convert_path." ".$this->_tmp_filename.".ps ".
+	   $command = $this->_convert_path." ".$this->_tmp_filename.".dvi ".
 				$this->_tmp_filename.".".$this->_image_format;
 	   $this->myexec($command,$status_convert);
 
 		 
-		 if ($status_dvips || $status_convert) {
+		 if ($status_convert) {
 			if( ! $this->_keep_tmp)
 				$this->cleanTemporaryDirectory();
 			chdir($current_dir);