Additionally license under Apache License version 2.0

The Apache License version 2.0 is now the primary license for qpdf.
However, users may, at their option, continue to use Artistic version
2.0.

1 files changed, 24 insertions, 4 deletions

diff --git a/manual/qpdf-manual.xml b/manual/qpdf-manual.xml
index 5c27db10..0402fe72 100644
--- a/manual/qpdf-manual.xml
+++ b/manual/qpdf-manual.xml
@@ -30,10 +30,30 @@
    url="https://github.com/qpdf/qpdf">https://github.com/qpdf/qpdf</ulink>.
   </para>
   <para>
-   QPDF has been released under the terms of <ulink
-   url="http://www.opensource.org/licenses/artistic-license-2.0.php">Version
-   2.0 of the Artistic License</ulink>, a copy of which appears in the
-   file <filename>Artistic-2.0</filename> in the source distribution.
+   QPDF is licensed under <ulink
+   url="http://www.apache.org/licenses/LICENSE-2.0">the Apache
+   License, Version 2.0</ulink> (the "License"). Unless required by
+   applicable law or agreed to in writing, software distributed under
+   the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
+   OR CONDITIONS OF ANY KIND, either express or implied. See the
+   License for the specific language governing permissions and
+   limitations under the License.
+  </para>
+  <para>
+   Versions of qpdf prior to version 7 were released under the terms
+   of <ulink url="https://opensource.org/licenses/Artistic-2.0">the
+   Artistic License, version 2.0</ulink>. At your option, you may
+   continue to consider qpdf to be licensed under those terms. The
+   Apache License 2.0 permits everything that the Artistic License 2.0
+   permits but is slightly less restrictive. Allowing the Artistic
+   License to continue being used is primary to help people who may
+   have to get specific approval to use qpdf in their products.
+  </para>
+  <para>
+   QPDF is intentionally released with a permissive license. However,
+   if there is some reason that the licensing terms don't work for
+   your requirements, please feel free to contact the copyright holder
+   to make other arrangements.
   </para>
   <para>
    QPDF was originally created in 2001 and modified periodically