From 61b17e6d9d2544304cff2a57bdac09225360d660 Mon Sep 17 00:00:00 2001
From: harbhub <harbhub@gmail.com>
Date: Thu, 13 Nov 2014 03:42:15 -0500
Subject: [PATCH] handle internal links (fixes #145)

---
 bits/67_wsxml.js | 6 +++++-
 xlsx.js          | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/bits/67_wsxml.js b/bits/67_wsxml.js
index 43cd4ca..eeae99b 100644
--- a/bits/67_wsxml.js
+++ b/bits/67_wsxml.js
@@ -74,11 +74,15 @@ function parse_ws_xml_hlinks(s, data, rels) {
 	for(var i = 0; i != data.length; ++i) {
 		var val = parsexmltag(data[i], true);
 		if(!val.ref) return;
-		var rel = rels['!id'][val.id];
+		var rel = rels ? rels['!id'][val.id] : null;
 		if(rel) {
 			val.Target = rel.Target;
 			if(val.location) val.Target += "#"+val.location;
 			val.Rel = rel;
+		} else {
+			val.Target = val.location;
+			rel = {Target: val.location, TargetMode: 'Internal'};
+			val.Rel = rel;
 		}
 		var rng = safe_decode_range(val.ref);
 		for(var R=rng.s.r;R<=rng.e.r;++R) for(var C=rng.s.c;C<=rng.e.c;++C) {
diff --git a/xlsx.js b/xlsx.js
index 6f1fab8..641f820 100644
--- a/xlsx.js
+++ b/xlsx.js
@@ -2904,11 +2904,15 @@ function parse_ws_xml_hlinks(s, data, rels) {
 	for(var i = 0; i != data.length; ++i) {
 		var val = parsexmltag(data[i], true);
 		if(!val.ref) return;
-		var rel = rels['!id'][val.id];
+		var rel = rels ? rels['!id'][val.id] : null;
 		if(rel) {
 			val.Target = rel.Target;
 			if(val.location) val.Target += "#"+val.location;
 			val.Rel = rel;
+		} else {
+			val.Target = val.location;
+			rel = {Target: val.location, TargetMode: 'Internal'};
+			val.Rel = rel;
 		}
 		var rng = safe_decode_range(val.ref);
 		for(var R=rng.s.r;R<=rng.e.r;++R) for(var C=rng.s.c;C<=rng.e.c;++C) {