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Open Content License
The Open Content License (OPL) is a license designed for distribution of open content material. This license is not compatible with the GFDL in that it does not allow the Open Content License licensed material, or derivation of such material to be sold in a commercial packaging, (ie.
Information are taken from Wikipedia, the open encyclopedia, to which contribute many volunteers from around the whole world. Texts are available under the following conditions GNU Free Documentation License.
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