This is a human-readable summary of (and not a substitute for) the 
Creative Commons CC-by-SA license. A plain text version is available at
https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.txt .

This license means you are free to:

    Share — copy and redistribute the material in any medium or format
    Adapt — remix, transform, and build upon the material for any purpose, even commercially.

This license is acceptable for Free Cultural Works, including computer software documentation.

The licensor cannot revoke these freedoms as long as you follow the license terms.

Under the following terms:

    Attribution — You must give appropriate credit, provide a link to the license, and 
    indicate if changes were made. You may do so in any reasonable manner, but not in any 
    way that suggests the licensor endorses you or your use.

    ShareAlike — If you remix, transform, or build upon the material, you must distribute 
    your contributions under the same license as the original.

    No additional restrictions — You may not apply legal terms or technological measures 
    that legally restrict others from doing anything the license permits.


