--- a/ui/common/context.h	Fri Nov 10 17:17:14 2017 +0100
+++ b/ui/common/context.h	Fri Nov 10 18:04:40 2017 +0100
@@ -101,6 +101,7 @@
 void* uic_create_value(UiContext *ctx, UiVarType type);
 
 void uic_copy_binding(UiVar *from, UiVar *to, UiBool copytodoc);
+void uic_save_var(UiVar *var);
 void uic_unbind_var(UiVar *var);
 
 void uic_reg_var(UiContext *ctx, char *name, UiVarType type, void *value);