From 5a567dd9fad7cb4739c92d2dda3faba8d50225b6 Mon Sep 17 00:00:00 2001
From: Jurriaan Pruis <email@jurriaanpruis.nl>
Date: Sun, 1 Apr 2012 15:48:08 +0200
Subject: Fixed formula handling

---
 lib/axlsx/workbook/worksheet/cell.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/axlsx/workbook/worksheet/cell.rb b/lib/axlsx/workbook/worksheet/cell.rb
index 13140786..cb8dd61b 100644
--- a/lib/axlsx/workbook/worksheet/cell.rb
+++ b/lib/axlsx/workbook/worksheet/cell.rb
@@ -315,7 +315,7 @@ module Axlsx
       when :string
         #parse formula
         if @value.start_with?('=')
-          str  << 't="str"><f>' << value.to_s.gsub('=', '') << '</f>'
+          str  << 't="str"><f>' << @value.to_s.gsub('=', '') << '</f>'
         else
           #parse shared
           if @ssti
-- 
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