D library projects : adopting Boost license

[Yigal Chripun]

Robert Jacques wrote:
> 
> The Apache 2.0 license requires attribution. It's therefore unsuitable 
> for a standard library. From the website FAQ:
> "
> It forbids you to:
> redistribute any piece of Apache-originated software without proper 
> attribution;
> use any marks owned by The Apache Software Foundation in any way that 
> might state or imply that the Foundation endorses your distribution;
> use any marks owned by The Apache Software Foundation in any way that 
> might state or imply that you created the Apache software in question.
> 
> It requires you to:
> include a copy of the license in any redistribution you may make that 
> includes Apache software;
> provide clear attribution to The Apache Software Foundation for any 
> distributions that include Apache software.
> "

excerpts from http://www.apache.org/licenses/LICENSE-2.0.html

"Derivative Works" shall mean any work, whether in Source or Object 
form, that is based on (or derived from) the Work and for which the 
editorial revisions, annotations, elaborations, or other modifications 
represent, as a whole, an original work of authorship. For the purposes 
of this License, Derivative Works shall not include works that remain 
separable from, or merely link (or bind by name) to the interfaces of, 
the Work and Derivative Works thereof.

4. Redistribution. You may reproduce and distribute copies of the Work 
or Derivative Works thereof in any medium, with or without 
modifications, and in Source or Object form, provided that You meet the 
following conditions:

    1. You must give any other recipients of the Work or Derivative 
Works a copy of this License; and

    2. You must cause any modified files to carry prominent notices 
stating that You changed the files; and

    3. You must retain, in the Source form of any Derivative Works that 
You distribute, all copyright, patent, trademark, and attribution 
notices from the Source form of the Work, excluding those notices that 
do not pertain to any part of the Derivative Works; and


/quote

my understanding of the above is that using tango in your code doesn't 
constitute as "Derivative Works". that means that _uesrs_ of Tango are 
not required to provide attribution.