Copyright (c) 2020 Tatu Saloranta <tatu.saloranta@iki.fi>

Licensed under the  Apache License Version 2.0, January 2004 
http://www.apache.org/licenses/

A copy of the Section 3.1, “Apache License v2.0, January 2004” license can be found in
the 'Standard Licenses' section. 

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