Previously it said that you may distribute derived works "under the
same or similar license", now it just says "under the same".
The former form is derived from the cc-by-sa summary:
http://creativecommons.org/licenses/by-sa/2.0/
But the legal code itself says:
You may distribute, publicly display, publicly perform, or publicly
digitally perform a Derivative Work only under the terms of this
License, a later version of this License with the same License
Elements as this License, or a Creative Commons iCommons license that
contains the same License Elements as this
License (e.g. Attribution-ShareAlike 2.0 Japan)
The intent is obviously to refer to other creative commons
licenses. This makes sense in the context of the creative commons
website. but on our site the reader could infer that he's able to
distribute the map data under similar licenses, such as the GPL, GFDL,
Apache 2 and others.
You are free to copy, distribute, transmit and adapt our maps
and data, as long as you credit OpenStreetMap and its
contributors. If you alter or build upon our maps or data, you
You are free to copy, distribute, transmit and adapt our maps
and data, as long as you credit OpenStreetMap and its
contributors. If you alter or build upon our maps or data, you
- may distribute the result only under the same or similar
- licence. The full <a
+ may distribute the result only under the same licence. The
+ full <a
href="http://creativecommons.org/licenses/by-sa/2.0/legalcode">legal
code</a> explains your rights and responsibilities.
</p>
href="http://creativecommons.org/licenses/by-sa/2.0/legalcode">legal
code</a> explains your rights and responsibilities.
</p>