License
Not logged in
Material provided here is free for fair public use,
granting the permission to copy, modify and use without royalties.

This is no assertion that all material is free in whatever sense,
nor useful for any purpose.

Documents may refer to this license by the following words inside:

	This is free software, see LICENSE.TXT

If a document is modified, the license is still valid,
now for the whole document; no explicit waiver is required.
If not desired, the clause must be removed or qualified,
making it difficult to determine the status later. 

Rainer Glaschick, Paderborn, Germany (November 2024)