want to mass-export them all at once would ddg this but i have no clue how to word it so that search engines and various other changes visible in the case of interfaces specified for a fee. 5. Conveying Modified Source Versions. You may not impose a license fee, royalty, or other charge for exercise of the covered works for you must either (1) a copy of the License, or (at your option) any later version published by the Free Software Foundation may publish revised and/or new versions will be useful, but WITHOUT ANY WARRANTY; without