From 8a335225c705232fe1174755a1b1ea475456b864 Mon Sep 17 00:00:00 2001
From: xuri <xuri.me@gmail.com>
Date: Thu, 24 Mar 2022 00:19:30 +0800
Subject: Format code, update documentation and remove exported variable
 `XMLHeaderByte`

---
 chart.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'chart.go')

diff --git a/chart.go b/chart.go
index 4543770..8f521fa 100644
--- a/chart.go
+++ b/chart.go
@@ -969,7 +969,7 @@ func (f *File) AddChartSheet(sheet, format string, combo ...string) error {
 // getFormatChart provides a function to check format set of the chart and
 // create chart format.
 func (f *File) getFormatChart(format string, combo []string) (*formatChart, []*formatChart, error) {
-	comboCharts := []*formatChart{}
+	var comboCharts []*formatChart
 	formatSet, err := parseFormatChartSet(format)
 	if err != nil {
 		return formatSet, comboCharts, err
-- 
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