+[release backport ids]
+# the purpose of these ids is to have version suffixes for backported packages
+# that allow proper sorting (upgradability) across distribution releases
+# For Debian we'll use ndXX (where XX is the version of the Debian release,
+# e.g. 50; analog to backports.org) and for Ubuntu we'll use ndXX.XX.
+etch = nd40
+lenny = nd50
+squeeze = nd60
+wheezy = nd70
+sid = nd
+hardy = nd08.04
+intrepid = nd08.10
+jaunty = nd09.04
+karmic = nd09.10
+lucid = nd10.04
+maverick = nd10.10
+