Content of RPM xfce4-panel-devel-4.6.4-1.el5.i386.rpm :
/usr/include/xfce4/libxfce4panel
/usr/include/xfce4/libxfce4panel/libxfce4panel-enum-types.h
/usr/include/xfce4/libxfce4panel/libxfce4panel.h
/usr/include/xfce4/libxfce4panel/xfce-arrow-button.h
/usr/include/xfce4/libxfce4panel/xfce-hvbox.h
/usr/include/xfce4/libxfce4panel/xfce-itembar.h
/usr/include/xfce4/libxfce4panel/xfce-panel-convenience.h
/usr/include/xfce4/libxfce4panel/xfce-panel-enums.h
/usr/include/xfce4/libxfce4panel/xfce-panel-external-plugin.h
/usr/include/xfce4/libxfce4panel/xfce-panel-internal-plugin.h
/usr/include/xfce4/libxfce4panel/xfce-panel-macros.h
/usr/include/xfce4/libxfce4panel/xfce-panel-plugin-iface.h
/usr/include/xfce4/libxfce4panel/xfce-panel-plugin.h
/usr/include/xfce4/libxfce4panel/xfce-panel-window.h
/usr/lib/libxfce4panel.so
/usr/lib/pkgconfig/libxfce4panel-1.0.pc
/usr/share/gtk-doc/html/libxfce4panel
/usr/share/gtk-doc/html/libxfce4panel/XfceArrowButton.html
/usr/share/gtk-doc/html/libxfce4panel/XfceExternalPanelPlugin.html
/usr/share/gtk-doc/html/libxfce4panel/XfceHVBox.html
/usr/share/gtk-doc/html/libxfce4panel/XfceInternalPanelPlugin.html
/usr/share/gtk-doc/html/libxfce4panel/XfceItembar.html
/usr/share/gtk-doc/html/libxfce4panel/XfcePanelPlugin.html
/usr/share/gtk-doc/html/libxfce4panel/XfcePanelWindow.html
/usr/share/gtk-doc/html/libxfce4panel/home.png
/usr/share/gtk-doc/html/libxfce4panel/index.html
/usr/share/gtk-doc/html/libxfce4panel/index.sgml
/usr/share/gtk-doc/html/libxfce4panel/ix01.html
/usr/share/gtk-doc/html/libxfce4panel/ix02.html
/usr/share/gtk-doc/html/libxfce4panel/left.png
/usr/share/gtk-doc/html/libxfce4panel/libxfce4panel-Common-macros.html
/usr/share/gtk-doc/html/libxfce4panel/libxfce4panel-Convenience-Widgets.html
/usr/share/gtk-doc/html/libxfce4panel/libxfce4panel-Register-Plugins.html
/usr/share/gtk-doc/html/libxfce4panel/libxfce4panel-Standard-Enumerations.html
/usr/share/gtk-doc/html/libxfce4panel/libxfce4panel-fundamentals.html
/usr/share/gtk-doc/html/libxfce4panel/libxfce4panel-panel.html
/usr/share/gtk-doc/html/libxfce4panel/libxfce4panel-widgets.html
/usr/share/gtk-doc/html/libxfce4panel/libxfce4panel.devhelp
/usr/share/gtk-doc/html/libxfce4panel/libxfce4panel.devhelp2
/usr/share/gtk-doc/html/libxfce4panel/right.png
/usr/share/gtk-doc/html/libxfce4panel/style.css
/usr/share/gtk-doc/html/libxfce4panel/up.png