From 98f1a699033b76a1482edc03d533dd1f67bcd2d6 Mon Sep 17 00:00:00 2001
From: xuri <xuri.me@gmail.com>
Date: Wed, 2 Sep 2020 23:14:19 +0800
Subject: support ECMA-376 document standard encryption, ref #199

---
 drawing.go | 3 ---
 1 file changed, 3 deletions(-)

(limited to 'drawing.go')

diff --git a/drawing.go b/drawing.go
index 806c1b7..6c2f635 100644
--- a/drawing.go
+++ b/drawing.go
@@ -59,10 +59,7 @@ func (f *File) prepareChartSheetDrawing(xlsx *xlsxChartsheet, drawingID int, she
 func (f *File) addChart(formatSet *formatChart, comboCharts []*formatChart) {
 	count := f.countCharts()
 	xlsxChartSpace := xlsxChartSpace{
-		XMLNSc:         NameSpaceDrawingMLChart.Value,
 		XMLNSa:         NameSpaceDrawingML.Value,
-		XMLNSr:         SourceRelationship.Value,
-		XMLNSc16r2:     SourceRelationshipChart201506.Value,
 		Date1904:       &attrValBool{Val: boolPtr(false)},
 		Lang:           &attrValString{Val: stringPtr("en-US")},
 		RoundedCorners: &attrValBool{Val: boolPtr(false)},
-- 
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