On 2020-10-13 at 15:01:51 -0600, Karl Berry wrote: > rather than any technical restriction: pdfTeX is GPL. > > FWIW, I suspect Thanh would not have a problem with allowing use of > those primitive implementations under CC0 or any other license terms. AFAIK it's under GPL because it contains libraries from xpdf and maybe a few others which were already under GPL. Regards, Reinhard -- ------------------------------------------------------------------ Reinhard Kotucha Phone: +49-511-3373112 Marschnerstr. 25 D-30167 Hannover mailto:[log in to unmask] ------------------------------------------------------------------