--- a/debian/changelog	Wed Jun 05 16:29:04 2019 +0200
+++ b/debian/changelog	Mon Jun 10 10:53:48 2019 +0200
@@ -5,6 +5,7 @@
 
   [ Jérémy Bobbio ]
   * Switch to Debian source format 3.0 (quilt).
+  * Specify priority “optional” instead of the obsolete “extra”.
 
  -- Denis Laxalde <denis.laxalde@logilab.fr>  Fri, 12 Jul 2019 11:54:09 +0200
 

--- a/debian/control	Wed Jun 05 16:29:04 2019 +0200
+++ b/debian/control	Mon Jun 10 10:53:48 2019 +0200
@@ -296,7 +296,7 @@
 
 Package: cubicweb
 Architecture: all
-Priority: extra
+Priority: optional
 Section: oldlibs
 Depends:
  python-cubicweb, ${misc:Depends}
@@ -306,7 +306,7 @@
 
 Package: cubicweb-server
 Architecture: all
-Priority: extra
+Priority: optional
 Section: oldlibs
 Depends:
  python-cubicweb, ${misc:Depends}
@@ -316,7 +316,7 @@
 
 Package: cubicweb-postgresql-support
 Architecture: all
-Priority: extra
+Priority: optional
 Section: oldlibs
 Depends:
  python-cubicweb-postgresql-support, ${misc:Depends}
@@ -336,7 +336,7 @@
 
 Package: cubicweb-web
 Architecture: all
-Priority: extra
+Priority: optional
 Section: oldlibs
 Depends:
  python-cubicweb, ${misc:Depends}
@@ -346,7 +346,7 @@
 
 Package: cubicweb-common
 Architecture: all
-Priority: extra
+Priority: optional
 Section: oldlibs
 Depends:
  python-cubicweb, ${misc:Depends}
@@ -356,7 +356,7 @@
 
 Package: cubicweb-dev
 Architecture: all
-Priority: extra
+Priority: optional
 Section: oldlibs
 Depends:
  python-cubicweb, ${misc:Depends}
@@ -366,7 +366,7 @@
 
 Package: cubicweb-documentation
 Architecture: all
-Priority: extra
+Priority: optional
 Section: oldlibs
 Depends:
  python-cubicweb-documentation, ${misc:Depends}