GtkHtml2 using glade

["Josep Monés i Teixidor" <jmones gmail com>]

Hello!

I'm trying to use a Gtk2::Html2 widget in an application... I'm trying to include it in a glade file, using Gtk2::GladeXML to instantiate the GUI.

Since glade doesn't have it in its palette, I've tried to set a Custom widget with gtk_html_new as creation_function, as explained in 
http://www.php-gtk.eu/code-hints/gtkhtml-and-glade

If I do this I get no results:
libglade-WARNING **: could not find widget creation function


How can I include this widget in my glade file?

Thanks in advance

Josep