diff -r 5cc7905bccc9 -r 1ffeeb91c55d mercurial/commands.py
--- a/mercurial/commands.py	Tue May 31 20:39:04 2011 -0500
+++ b/mercurial/commands.py	Wed Jun 01 12:38:46 2011 +0200
@@ -1342,7 +1342,7 @@
             def showchunks(named):
                 ui.write("\n%s\n" % named)
                 chain = None
-                while 1:
+                while True:
                     chunkdata = gen.deltachunk(chain)
                     if not chunkdata:
                         break
@@ -1361,7 +1361,7 @@
             showchunks("changelog")
             chunkdata = gen.manifestheader()
             showchunks("manifest")
-            while 1:
+            while True:
                 chunkdata = gen.filelogheader()
                 if not chunkdata:
                     break
@@ -1370,7 +1370,7 @@
         else:
             chunkdata = gen.changelogheader()
             chain = None
-            while 1:
+            while True:
                 chunkdata = gen.deltachunk(chain)
                 if not chunkdata:
                     break