# HG changeset patch
# User mpm@selenic.com
# Date 1118083939 28800
# Node ID 7ca05593bd302d799851450513928f291005d7b7
# Parent  4c1d7072d5cdf83feee4a4083b33b3c2346f476f
hgweb: fix non-existent source or destination for diff

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hgweb: fix non-existent source or destination for diff

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diff -r 4c1d7072d5cd -r 7ca05593bd30 mercurial/hgweb.py
--- a/mercurial/hgweb.py	Mon Jun 06 10:51:09 2005 -0800
+++ b/mercurial/hgweb.py	Mon Jun 06 10:52:19 2005 -0800
@@ -203,12 +203,12 @@
             tn = r.file(f).read(mmap2[f])
             yield diffblock(mdiff.unidiff(to, date1, tn, date2, f), f, tn)
         for f in a:
-            to = ""
+            to = None
             tn = r.file(f).read(mmap2[f])
             yield diffblock(mdiff.unidiff(to, date1, tn, date2, f), f, tn)
         for f in d:
             to = r.file(f).read(mmap1[f])
-            tn = ""
+            tn = None
             yield diffblock(mdiff.unidiff(to, date1, tn, date2, f), f, tn)
 
     def header(self):