Scheme Language Report License
SchemeReport
Code derived from the document "Revised Report on Scheme" and subsequent revisions, is distributed under the following license:
We intend this report to belong to the entire Scheme community, and so we grant permission to copy it in whole or in part without fee. In particular, we encourage implementors of Scheme to use this report as a starting point for manuals and other documentation, modifying it as necessary.
There is no standard license header for the license