%pkg_info -I -x beryl 
beryl-0.2.1         Beryl Composite/Window Manager meta-port
beryl-core-0.2.1_1  Beryl Composite/Window Manager
beryl-manager-0.2.1_1 Manager for Beryl Composite/Window Manager
beryl-plugins-0.2.1_1 Plugins for Beryl Composite/Window Manager
beryl-settings-0.2.1 Beryl Settings Manager
beryl-settings-bindings-0.2.1 Beryl Settings Bindings

%pkg_info -I -x compiz
compiz-0.5.2        Compiz Composite/Window Manager

%pkg_info -I -x emerald
emerald-0.5.2       Emerald Window Decorator
emerald-themes-0.5.2 Themes for the Emerald Window Decorator