1 files changed, 48 insertions, 0 deletions
diff --git a/debian/copyright b/debian/copyright
index 4baba48..493b700 100644
@@ -21,3 +21,51 @@ The tests/ directory contains a complete copy of the source code for
the pari-extra 3-1 package. This is a dummy package containing only
Debian metadata, by Bill Alombert, with a licence statement saying
it's GPL (implicitly GPLv3 compatible).
+Contributions are accepted upstram under the same terms; please sign
+off your patches (by writing an approprite Signed-Off-By tag in your
+commit message or patch submission) to indicate your attestation that
+the Developer Certificate of Origin (version 1.1) applies.
+Developer Certificate of Origin
+Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
+1 Letterman Drive
+San Francisco, CA, 94129
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+Developer's Certificate of Origin 1.1
+By making a contribution to this project, I certify that:
+(a) The contribution was created in whole or in part by me and I
+ have the right to submit it under the open source license
+ indicated in the file; or
+(b) The contribution is based upon previous work that, to the best
+ of my knowledge, is covered under an appropriate open source
+ license and I have the right under that license to submit that
+ work with modifications, whether created in whole or in part
+ by me, under the same open source license (unless I am
+ permitted to submit under a different license), as indicated
+ in the file; or
+(c) The contribution was provided directly to me by some other
+ person who certified (a), (b) or (c) and I have not modified
+(d) I understand and agree that this project and the contribution
+ are public and that a record of the contribution (including all
+ personal information I submit with it, including my sign-off) is
+ maintained indefinitely and may be redistributed consistent with
+ this project or the open source license(s) involved.