-It also adds a call to ldconfig in the postinst and postrm scripts (in
-V3 mode and above only) to any packages in which it finds shared libraries.
+It also adds a call to ldconfig in the F<postinst> and F<postrm> scripts (in
+v3 mode and above only) to any packages in which it finds shared libraries.
+
+Packages that support multiarch are detected, and
+a Pre-Dependency on multiarch-support is set in ${misc:Pre-Depends} ;
+you should make sure to put that token into an appropriate place in your
+debian/control file for packages supporting multiarch.