tds copyright

[Sebastian Rahtz]

 > Permission is granted to copy and distribute modified versions of this
 > document under the conditions for verbatim copying, provided such
 > modifications are clearly marked and the modified version is not
 > represented as the original.
 > 
i dont this quite covers the spirit of what you propose, which is to
excerpt chunks. how about also:

Permission is granted to use portions of this document
in documentation for TeX-related software, provided
a clear statement is included that this represents part of the TDS,
and provided a reference to where to obtain the full text is included

sebastian