diff --git a/System/Libraries/Html/Renderer.HC b/System/Libraries/Html/Renderer.HC
index a96da1b..e2e36ee 100644
--- a/System/Libraries/Html/Renderer.HC
+++ b/System/Libraries/Html/Renderer.HC
@@ -75,6 +75,9 @@ class @renderer_reflow
     Widget* parent;
 };
 
+#define HTML_NAVIGATION_HREF 1
+#define HTML_NAVIGATION_FORM 2
+
 class @html_renderer
 {
     CTask* task;
@@ -82,10 +85,12 @@ class @html_renderer
     JsonArray* css_rules;
     JsonArray* forms;
     U8* form_data_str;
+    U8* referer;
     U8* cache_directory;
     U8* current_title;
     U8* current_url_string;
     I64 forms_index;
+    I64 navigation_type;
     @image_collection* img_coll;
     I64 img_count;
     Bool debug;