From 38b90715e2783da7206d37befd962b2c68279d7f Mon Sep 17 00:00:00 2001
From: Toha <tohenk@yahoo.com>
Date: Thu, 8 Feb 2018 10:23:23 +0700
Subject: [PATCH] Fix formula string truncated at the end.

Wrong use of substr() in commit 453f8f182140930f18fe9edaf8dc84cd5560c9a3 makes
formula string truncated at the end.

Signed-off-by: Toha <tohenk@yahoo.com>
---
 src/PhpSpreadsheet/Writer/Xls/Parser.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PhpSpreadsheet/Writer/Xls/Parser.php b/src/PhpSpreadsheet/Writer/Xls/Parser.php
index 4bcdb928..00ead3c2 100644
--- a/src/PhpSpreadsheet/Writer/Xls/Parser.php
+++ b/src/PhpSpreadsheet/Writer/Xls/Parser.php
@@ -563,7 +563,7 @@ class Parser
     private function convertString($string)
     {
         // chop away beggining and ending quotes
-        $string = substr($string, 1, -2);
+        $string = substr($string, 1, -1);
         if (strlen($string) > 255) {
             throw new WriterException('String is too long');
         }