1 ! Copyright (C) 2008 Jean-François Bigot.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: help.markup help.syntax kernel ;
8 { "model" null } { "observer" null }
16 ARTICLE: "4DNav.window3D" "4DNav.window3D"
17 { $vocab-link "4DNav.window3D" }
20 ABOUT: "4DNav.window3D"