diff -Nru sdf-2.001+1/debian/changelog sdf-2.001+1/debian/changelog
--- sdf-2.001+1/debian/changelog	2018-04-14 17:38:44.000000000 +0000
+++ sdf-2.001+1/debian/changelog	2019-02-10 19:29:49.000000000 +0000
@@ -1,3 +1,13 @@
+sdf (2.001+1-7) unstable; urgency=medium
+
+  [ Colin Watson ]
+  * Mark sdf-doc Multi-Arch: foreign.
+
+  [ Ondřej Nový ]
+  * d/changelog: Remove trailing whitespaces
+
+ -- Colin Watson <cjwatson@debian.org>  Sun, 10 Feb 2019 19:29:49 +0000
+
 sdf (2.001+1-6) unstable; urgency=medium
 
   * Change priority to optional, since "Priority: extra" is now deprecated.
@@ -102,7 +112,7 @@
 
 sdf (2.001-4) unstable; urgency=low
 
-  * Adopted by new maintainer; closes: #92356 
+  * Adopted by new maintainer; closes: #92356
   * Updated to newer standards version and added Build-Depends.
 
  -- Dr. Guenter Bechly <gbechly@debian.org>  Mon, 16 Apr 2001 10:41:07 +0200
diff -Nru sdf-2.001+1/debian/control sdf-2.001+1/debian/control
--- sdf-2.001+1/debian/control	2018-04-14 17:38:34.000000000 +0000
+++ sdf-2.001+1/debian/control	2018-08-04 22:36:56.000000000 +0000
@@ -25,6 +25,7 @@
 Architecture: all
 Section: doc
 Depends: ${misc:Depends}
+Multi-Arch: foreign
 Description: Documentation and examples for the Simple Document Parser
  SDF (Simple Document Format) is a freely available document development
  system which generates high quality outputs in a variety of formats