Merge tag 'debian/4.3' into dgit/stretch-backports

dgit release 4.3 for unstable (sid) [dgit]
[dgit distro=debian]

diff --cc debian/changelog
index 8ff170869a86dba15c23871a9a79c788ab6d89ee,62093d5fbb83777d056121bd441cf52611a88998..650b05852fbf1b2e8f368cf60411829cad2ba52e
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,9 -1,17 +1,23 @@@
+ dgit (4.3) unstable; urgency=high
+ 
+   Documentation improvements:
+   * dgit(7): Discuss file executability.  Closes:#886444.
+   * dgit(7): Discuss git-unrepresentable properties of source trees.
+   * dgit-maint-merge(7): Don't suggest using debian/source/patch-header
+     for 1.0 source format.  Closes:#887850.  [Sean Whitton]
+ 
+   Bugfixes:
+   * dgit archive-api-query: Avoid crashing due to lack of $isuite.
+     This breaks the infrastructure.  Closes:#886592.
+ 
+  -- Ian Jackson <ijackson@chiark.greenend.org.uk>  Thu, 25 Jan 2018 00:33:56 +0000
+ 
 +dgit (4.2~bpo9+1) stretch-backports; urgency=medium
 +
 +  * Rebuild for stretch-backports.
 +
 + -- Sean Whitton <spwhitton@spwhitton.name>  Thu, 18 Jan 2018 17:30:23 -0700
 +
  dgit (4.2) unstable; urgency=low
  
    * Upload dgit 4.x series to unstable.