From 564ebe48dd660347c7ac5cdebe3395e4a085f19b Mon Sep 17 00:00:00 2001
From: Ri Xu <xuri.me@gmail.com>
Date: Sun, 8 Apr 2018 10:31:11 +0800
Subject: - Fix `checkCellInArea()` index out of range when merged cell ref is
 single coordinate, relate issue #206; - go test updated; - Repository icon
 for SourceTree has been added

---
 cell.go | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'cell.go')

diff --git a/cell.go b/cell.go
index 281ab45..c5cd838 100644
--- a/cell.go
+++ b/cell.go
@@ -532,6 +532,10 @@ func checkCellInArea(cell, area string) bool {
 	area = strings.ToUpper(area)
 
 	ref := strings.Split(area, ":")
+	if len(ref) < 2 {
+		return false
+	}
+
 	from := ref[0]
 	to := ref[1]
 
-- 
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