about on foolabs.com "Xpdf is licensed under the GNU General Public License (GPL), version 2. In my opinion, the GPL is a convoluted, confusing, ambiguous mess. But it's also pervasive, and I'm sick of arguing. And even if it is confusing, the basic idea is good. "نسخة محفوظة 2023-05-25 على موقع واي باك مشين.
about on foolabs.com "Xpdf is licensed under the GNU General Public License (GPL), version 2. In my opinion, the GPL is a convoluted, confusing, ambiguous mess. But it's also pervasive, and I'm sick of arguing. And even if it is confusing, the basic idea is good. "نسخة محفوظة 2023-05-25 على موقع واي باك مشين.
xpdf xpdf 3.03 "The license was changed from GPLv2 to dual v2/v3 licensing."نسخة محفوظة 2022-11-12 على موقع واي باك مشين.