# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1418943570 -3600
# Node ID ddac0d9b53e054b15c7c6a03dcb2e92d9d3e5847
# Parent  33a8c753637c75e424d6822580749bead5ee17be
Permit an increased sequence number with an old dtstamp.

diff -r 33a8c753637c -r ddac0d9b53e0 imiptools/content.py
--- a/imiptools/content.py	Thu Dec 18 23:24:56 2014 +0100
+++ b/imiptools/content.py	Thu Dec 18 23:59:30 2014 +0100
@@ -488,10 +488,12 @@
 
             old_dtstamp = self.dtstamp < dtstamp
 
-            if sequence is not None and self.sequence is not None and (
+            have_sequence = sequence is not None and self.sequence is not None
+
+            if have_sequence and (
                 int(self.sequence) < int(sequence) or
                 int(self.sequence) == int(sequence) and old_dtstamp
-                ) or old_dtstamp:
+                ) or not have_sequence and old_dtstamp:
 
                 return False