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Caniateir copïo, dosbarthu a/neu golygu'r ddogfen hon yn ôl telerau'r Drwydded Ddogfennaeth Rydd GNU, Fersiwn 1.2 neu unrhyw fersiwn diweddarach a gyhoeddwyd gan y Free Software Foundation; yn cynnwys dim Adrannau Di-syfl, dim Testunau Clawr Blaen, a dim Testunau Clawr Cefn. Cynhwysir copi o'r drwydded hon yn yr adran Trwydded Ddogfennaeth Rydd GNU".http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
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