# 
# 
# patch "xdelta.cc"
#  from [8e7fc37bebb941af604140498ba860ed891fa76d]
#    to [8b919f922a6ad025be45d689d2ff821d1df52843]
# 
============================================================
--- xdelta.cc	8e7fc37bebb941af604140498ba860ed891fa76d
+++ xdelta.cc	8b919f922a6ad025be45d689d2ff821d1df52843
@@ -472,7 +472,7 @@
   {
     // nb: ch.vpos + ch.len is the 0-based index of the first element *not*
     // included in ch; thus we measure against ch.len - 1.
-    I(ch1.len > 0);
+//    I(ch1.len > 0);
     return (ch1.vpos + ch1.len - 1) < ch2.vpos;
   }
 };