debian/changelog

+seqtools (4.44.1+dfsg-2) unstable; urgency=medium
+
+  * Versioned Conflicts+Replaces to enable installing old transitional packages
+    Closes: #887616
+  * Standards-Version: 4.1.3
+  * debhelper 11
+
+ -- Andreas Tille <tille@debian.org>  Mon, 22 Jan 2018 13:25:58 +0100
+
 seqtools (4.44.1+dfsg-1) unstable; urgency=medium
 
   * Initial release (Closes: #879840)

debian/compat

-10
+11

debian/control

@@ -3,13 +3,13 @@ Maintainer: Debian Med Packaging Team <debian-med-packaging@lists.alioth.debian.
 Uploaders: Andreas Tille <tille@debian.org>
 Section: science
 Priority: optional
-Build-Depends: debhelper (>= 10),
+Build-Depends: debhelper (>= 11~),
                libgtk2.0-dev,
                libsqlite3-dev,
                libcurl4-openssl-dev | libcurl4-dev,
                libjsoncpp-dev,
                d-shlibs
-Standards-Version: 4.1.1
+Standards-Version: 4.1.3
 Vcs-Browser: https://anonscm.debian.org/cgit/debian-med/seqtools.git
 Vcs-Git: https://anonscm.debian.org/git/debian-med/seqtools.git
 Homepage: http://www.sanger.ac.uk/science/tools/seqtools
@@ -41,9 +41,9 @@ Package: belvu
 Architecture: any
 Depends: ${shlibs:Depends},
          ${misc:Depends}
-Conflicts: acedb-other-belvu
+Conflicts: acedb-other-belvu (<< 4.9.39+dfsg.02-2)
 Provides: acedb-other-belvu
-Replaces: acedb-other-belvu
+Replaces: acedb-other-belvu (<< 4.9.39+dfsg.02-2)
 Description: multiple sequence alignment viewer and phylogenetic tool
  Belvu is a multiple sequence alignment viewer and phylogenetic tool with
  an extensive set of user-configurable modes to color residues.
@@ -106,9 +106,9 @@ Package: dotter
 Architecture: any
 Depends: ${shlibs:Depends},
          ${misc:Depends}
-Conflicts: acedb-other-dotter
+Conflicts: acedb-other-dotter (<< 4.9.39+dfsg.02-2)
 Provides: acedb-other-dotter
-Replaces: acedb-other-dotter
+Replaces: acedb-other-dotter (<< 4.9.39+dfsg.02-2)
 Description: detailed comparison of two genomic sequences
  Dotter is a graphical dot-matrix program for detailed comparison of two
  sequences.