</para>
<para>
- The detail string available in #GtkStyle-based engines has been
+ The detail string available in #GtkStyle<!-- -->-based engines has been
replaced by widget regions and style classes. Regions are a way for
complex widgets to associate different styles with different areas,
such as even and odd rows in a treeview. Style classes allow sharing
<title>Extending the CSS parser</title>
<para>
- In #GtkStyle-based engines, #GtkRCStyle provided ways to extend the
+ In #GtkStyle<!-- -->-based engines, #GtkRCStyle provided ways to extend the
gtkrc parser with engine-specific extensions. This has been replaced
by gtk_theming_engine_register_property(), which lets a theme engine
register new properties with an arbitrary type. While there is built-in