diff --git a/data/static/js/preview.js b/data/static/js/preview.js
--- a/data/static/js/preview.js
+++ b/data/static/js/preview.js
@@ -1,14 +1,7 @@
 function updatePreviewPane() {
     $("#previewpane").hide();
     var url = location.pathname.replace(/_edit\//,"_preview/");
-    $("#previewpane").load(url, { "raw" : $("#editedText").attr("value")
-                                , "format" : $("#format").attr("value")
-                                , "lhs": $("#lhs").attr("value")
-                                , "toc": $("#toc").attr("value")
-                                , "title": $("#title").attr("value")
-                                , "categories": $("#categories").attr("value")
-                                });
-    jQuery.getScript("/js/MathMLinHTML.js", function() {convert()});
+    $("#previewpane").load(url, { "raw" : $("#editedText").attr("value") }, function() {convert();} );
     $("#previewpane").fadeIn(1000);
 };
 $(document).ready(function(){
diff --git a/gitit.cabal b/gitit.cabal
--- a/gitit.cabal
+++ b/gitit.cabal
@@ -1,5 +1,5 @@
 name:                gitit
-version:             0.6.3
+version:             0.6.4
 Cabal-version:       >= 1.2
 build-type:          Simple
 synopsis:            Wiki using happstack, git or darcs, and pandoc.