From 54b5557b80b0614e2e67232e438cbbdd01a8f13d Mon Sep 17 00:00:00 2001
From: atwoodm <atwoodm@bibliolabs.com>
Date: Fri, 2 Aug 2013 11:21:48 -0400
Subject: [PATCH] Fix off by 1 error on CFI generation.  First element is 2 not
 zero.

---
 ePub3/ePub/package.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ePub3/ePub/package.cpp b/ePub3/ePub/package.cpp
index 3fddca3fb..175d81730 100644
--- a/ePub3/ePub/package.cpp
+++ b/ePub3/ePub/package.cpp
@@ -869,14 +869,14 @@ const CFI Package::CFIForManifestItem(shared_ptr<ManifestItem> item) const
 {
     CFI result;
     result._components.emplace_back(_spineCFIIndex);
-    result._components.emplace_back(_Str(IndexOfSpineItemWithIDRef(item->Identifier())*2, "[", item->Identifier(), "]!"));
+    result._components.emplace_back(_Str((IndexOfSpineItemWithIDRef(item->Identifier())+1)*2, "[", item->Identifier(), "]!"));
     return result;
 }
 const CFI Package::CFIForSpineItem(shared_ptr<SpineItem> item) const
 {
     CFI result;
     result._components.emplace_back(_spineCFIIndex);
-    result._components.emplace_back(_Str(item->Index()*2, "[", item->Idref(), "]!"));
+    result._components.emplace_back(_Str((item->Index()+1)*2, "[", item->Idref(), "]!"));
     return result;
 }
 shared_ptr<ManifestItem> Package::ManifestItemForCFI(ePub3::CFI &cfi, CFI* pRemainingCFI) const