diff -r 168dfc839eca -r f6e0cfca1bf0 tests/test-exchange-B5.t
--- a/tests/test-exchange-B5.t	Thu Aug 14 15:30:04 2014 -0700
+++ b/tests/test-exchange-B5.t	Fri Aug 15 16:54:32 2014 -0700
@@ -64,7 +64,7 @@
   @  a9bdc8b26820 (public): O
   
   $ hg debugobsolete
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'p1': 'a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04', 'user': 'test'}
   $ cd ..
   $ cd ..
@@ -80,7 +80,7 @@
   # testing echange of "B" (06055a7959d4)
   ## initial state
   # obstore: main
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'p1': 'a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04', 'user': 'test'}
   # obstore: pushdest
   # obstore: pulldest
@@ -93,14 +93,14 @@
   added 2 changesets with 2 changes to 2 files
   OBSEXC: computing relevant nodes
   OBSEXC: computing markers relevant to 3 nodes
-  OBSEXC: pushing 2 obsolescence markers (150 bytes)
+  OBSEXC: pushing 2 obsolescence markers (153 bytes)
   OBSEXC: DONE
   ## post push state
   # obstore: main
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'p1': 'a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04', 'user': 'test'}
   # obstore: pushdest
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'p1': 'a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04', 'user': 'test'}
   # obstore: pulldest
   ## pulling "06055a7959d4" from main into pulldest
@@ -111,20 +111,20 @@
   adding file changes
   added 2 changesets with 2 changes to 2 files
   OBSEXC: pull obsolescence markers
-  OBSEXC: merging obsolescence markers (150 bytes)
+  OBSEXC: merging obsolescence markers (153 bytes)
   OBSEXC: 2 obsolescence markers added
   OBSEXC: DONE
   (run 'hg update' to get a working copy)
   1 new unstable changesets
   ## post pull state
   # obstore: main
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'p1': 'a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04', 'user': 'test'}
   # obstore: pushdest
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'p1': 'a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04', 'user': 'test'}
   # obstore: pulldest
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'p1': 'a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04', 'user': 'test'}
 
 Actual Test (bare push version)
@@ -135,7 +135,7 @@
   # testing echange of "B" (06055a7959d4)
   ## initial state
   # obstore: main
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'p1': 'a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04', 'user': 'test'}
   # obstore: pushdest
   # obstore: pulldest
@@ -148,14 +148,14 @@
   added 2 changesets with 2 changes to 2 files
   OBSEXC: computing relevant nodes
   OBSEXC: computing markers relevant to 3 nodes
-  OBSEXC: pushing 2 obsolescence markers (150 bytes)
+  OBSEXC: pushing 2 obsolescence markers (153 bytes)
   OBSEXC: DONE
   ## post push state
   # obstore: main
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'p1': 'a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04', 'user': 'test'}
   # obstore: pushdest
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'p1': 'a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04', 'user': 'test'}
   # obstore: pulldest
   ## pulling "06055a7959d4" from main into pulldest
@@ -166,18 +166,18 @@
   adding file changes
   added 2 changesets with 2 changes to 2 files
   OBSEXC: pull obsolescence markers
-  OBSEXC: merging obsolescence markers (150 bytes)
+  OBSEXC: merging obsolescence markers (153 bytes)
   OBSEXC: 2 obsolescence markers added
   OBSEXC: DONE
   (run 'hg update' to get a working copy)
   1 new unstable changesets
   ## post pull state
   # obstore: main
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'p1': 'a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04', 'user': 'test'}
   # obstore: pushdest
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'p1': 'a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04', 'user': 'test'}
   # obstore: pulldest
-  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '', 'user': 'test'}
+  28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'user': 'test'}
   e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 {'date': '0 0', 'p1': 'a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04', 'user': 'test'}