Thomas Aglassinger alias Tommy-Saftwörx You can email me at agi@giga.or.at or agi@sbox.tu-graz.ac.at
I will upload new releases of hsc to Aminet, look for text/hyper/hsc.lha.
Additionally, you can download the current version from hsc's support-site at http://www.giga.or.at/~agi/hsc/index.html. There you also can find a browsable version of this documentation.