/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/ is in castle-game-engine-src 4.1.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/CADGeometry.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Core.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/CubeMapTexturing.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/DIS.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/EnvironmentalEffects.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/EnvironmentalSensor.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/EventUtilities.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Followers.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Geometry2D.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Geometry3D.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Geospatial.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Grouping.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/H-Anim.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Interpolation.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/KeyDeviceSensor.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Layering.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Layout.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Lighting.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/NURBS.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Navigation.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Networking.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/ParticleSystems.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Picking.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/PointingDeviceSensor.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Rendering.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/RigidBodyPhysics.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Scripting.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Shaders.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Shape.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Sound.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Text.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Texturing.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Texturing3D.txt
/usr/src/castle-game-engine-4.1.1/x3d/doc/x3d_nodes/2/Time.txt