*No copyright* GNU General Public License, Version 3
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libxisf/README.md

BSD 2-Clause License GNU General Public License v3.0 or later
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libxisf/debian/copyright

GNU General Public License v3.0 or later
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libxisf/libXISF_global.h
libxisf/libxisf.cpp
libxisf/libxisf.h
libxisf/test/main.cpp
libxisf/utils.cpp
libxisf/variant.cpp

Unknown or generated
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libxisf/CMakeLists.txt
libxisf/LICENSE
libxisf/bytearray.cpp
libxisf/debian/changelog
libxisf/debian/compat
libxisf/debian/control
libxisf/debian/libxisf-dev.install
libxisf/debian/libxisf.install
libxisf/debian/rules
libxisf/debian/source/format
libxisf/test/benchmark.cpp
libxisf/test/test.xisf
libxisf/test/test_lz4.xisf