Liberation fonts and the tricky task of internationalization
Posted Jun 19, 2012 19:57 UTC (Tue) by Jonno (subscriber, #49613)
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Yes, and Debian don't consider GFDL-licensed works with invariant sections to be free either.
(GFDL-licensed works that don't contain any invariant sections are considered free by Debian, but not copyleft, as it is permissible to add an invariant section to it and thus make it non-free)