From 3cbad7730f074a0831448e44608834681df6cefd Mon Sep 17 00:00:00 2001
From: bill-titus <bill.titus@gmail.com>
Date: Fri, 24 Mar 2017 19:25:08 -0400
Subject: [PATCH] Remove poison CFI fix for double spineIndex

It turns out that spineNodeIndex is set here:
this.spineNodeIndex = Array.prototype.indexOf.call(spineNode.parentNode.childNodes, spineNode);

And childNodes includes the list of all nodes (text and elements) already.
---
 src/epubcfi.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/epubcfi.js b/src/epubcfi.js
index dd4a924..318f3ff 100644
--- a/src/epubcfi.js
+++ b/src/epubcfi.js
@@ -948,7 +948,7 @@ class EpubCFI {
 
 	generateChapterComponent(_spineNodeIndex, _pos, id) {
 		var pos = parseInt(_pos),
-				spineNodeIndex = (_spineNodeIndex + 1) * 2,
+				spineNodeIndex = _spineNodeIndex + 1,
 				cfi = "/"+spineNodeIndex+"/";
 
 		cfi += (pos + 1) * 2;