deb(5): Clarify the insertion order of _ members

These must be placed after debian-binary and can be placed before
control.tar.gz or data.tar.

debian/changelog

@@ -13,6 +13,7 @@ dpkg (1.17.2) UNRELEASED; urgency=low
   * Do not allow deb packages with control and data members swapped.
   * Clarify «dpkg-deb --extract» bad usage error message on missing arguments
     by printing all required arguments at once. Closes: #718899
+  * Clarify the insertion order of _ members in deb(5) man page.
 
  -- Guillem Jover <guillem@debian.org>  Sun, 28 Jul 2013 15:06:29 +0200
 

man/deb.5

@@ -18,7 +18,7 @@
 .\" You should have received a copy of the GNU General Public License
 .\" along with this program.  If not, see <http://www.gnu.org/licenses/>.
 .
-.TH deb 5 "2013-04-02" "Debian Project" "Debian"
+.TH deb 5 "2013-08-08" "Debian Project" "Debian"
 .SH NAME
 deb \- Debian binary package format
 .SH SYNOPSIS
@@ -89,7 +89,11 @@ should ignore any additional members after
 .BR data.tar .
 Further members may be defined in the future, and (if possible) will be
 placed after these three. Any additional members that may need to be
-inserted before
+inserted after
+.B debian\-binary
+and before
+.B control.tar.gz
+or
 .B data.tar
 and which should be safely ignored by older programs, will have names
 starting with an underscore,