Translations:Terms of use/Creative Commons 4.0/71/en

c. Importing text: You may import text that you have found elsewhere or that you have co-authored with others, but in such case you warrant that the text is available under terms that are compatible with the CC BY-SA 3.0 license (or, as explained above, another license when exceptionally required by the Project edition or feature)("CC BY-SA"). Content available only under GFDL is not permissible.