SoVRMLTouchSensor(3) on Linux
The text 32a81e4492b1, as Debian 8 (Jessie) shipped it.
The SoVRMLTouchSensor class tracks to pointer position and sends events based on user interaction. The detailed class documentation is taken verbatim from the VRML97 standard (ISO/IEC 14772-1:1997). It is copyright The Web3D Consortium, and is used by permission of the Consortium: