These functions are either obsolete, dangerous, or nonfunctional. Generally speaking, they should not be changed.

• bonding_vdw_cutoff
• dot_mode
• cgo_ray_width_scale
• gl_ambient
• isomesh_auto_state
• max_triangles
• mesh_lighting
• save_pdb_ss
• scene_restart_movie_delay
• smooth_color_triangle
• spheroid_fill
• spheroid_scale
• spheroid_smooth
• texture_fonts