From 3b589f001b545fda7454e5ee6e7a28ab2cb5d178 Mon Sep 17 00:00:00 2001
From: Martin <mpesalj@spark451.com>
Date: Wed, 12 Aug 2020 13:31:24 +0200
Subject: [PATCH] XLSX SST treat <si></si> as empty (fixes #2083)

---
 bits/42_sstxml.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bits/42_sstxml.js b/bits/42_sstxml.js
index 5181cc2..2ef5453 100644
--- a/bits/42_sstxml.js
+++ b/bits/42_sstxml.js
@@ -169,7 +169,7 @@ var sirphregex = /<(?:\w+:)?rPh.*?>([\s\S]*?)<\/(?:\w+:)?rPh>/g;
 function parse_si(x, opts) {
 	var html = opts ? opts.cellHTML : true;
 	var z = {};
-	if(!x) return null;
+	if(!x) return { t: "" };
 	//var y;
 	/* 18.4.12 t ST_Xstring (Plaintext String) */
 	// TODO: is whitespace actually valid here?