I installed the package libgtkglextmm-x11-1.2-doc, but I do not know where it's installed in my computer, and how to launch it, do anyone know it? thanks -- 我的操作系統是Gnu/Linux Debian-sid-amd64/gNewSense Gnome Mozilla Gmail/Evolution Gtkmm/Clutter/Anjuta Scim Totem Pidgin.