- Fix issue comments missing after save;

- Update import PKG syntax in struct;
- Update test XLSX file (include table, charts, functions, comments and hyperlink on Sheet1)

sheet.go

@@ -127,6 +127,7 @@ func replaceRelationshipsID(workbookMarshal string) string {
 	rids = strings.Replace(rids, `<hyperlinks></hyperlinks>`, ``, -1)
 	rids = strings.Replace(rids, `<tableParts count="0"></tableParts>`, ``, -1)
 	rids = strings.Replace(rids, `<picture></picture>`, ``, -1)
+	rids = strings.Replace(rids, `<legacyDrawing></legacyDrawing>`, ``, -1)
 	return strings.Replace(rids, `<drawing rid="`, `<drawing r:id="`, -1)
 }
 

xmlContentTypes.go

@@ -2,9 +2,7 @@
 
 package excelize
 
-import (
-	"encoding/xml"
-)
+import "encoding/xml"
 
 type xlsxTypes struct {
 	XMLName   xml.Name       `xml:"http://schemas.openxmlformats.org/package/2006/content-types Types"`

xmlSharedStrings.go

@@ -2,9 +2,7 @@
 
 package excelize
 
-import (
-	"encoding/xml"
-)
+import "encoding/xml"
 
 // xlsxSST directly maps the sst element from the namespace
 // http://schemas.openxmlformats.org/spreadsheetml/2006/main currently

xmlWorkbook.go

@@ -2,9 +2,7 @@
 
 package excelize
 
-import (
-	"encoding/xml"
-)
+import "encoding/xml"
 
 const (
 	// sheet state values as defined by

xmlWorksheet.go

@@ -23,6 +23,7 @@ type xlsxWorksheet struct {
 	PageSetUp     xlsxPageSetUp     `xml:"pageSetup"`
 	HeaderFooter  xlsxHeaderFooter  `xml:"headerFooter"`
 	Drawing       xlsxDrawing       `xml:"drawing"`
+	LegacyDrawing xlsxLegacyDrawing `xml:"legacyDrawing"`
 	Picture       xlsxPicture       `xml:"picture"`
 	TableParts    xlsxTableParts    `xml:"tableParts"`
 }
@@ -350,3 +351,16 @@ type xlsxTablePart struct {
 type xlsxPicture struct {
 	RID string `xml:"http://schemas.openxmlformats.org/officeDocument/2006/relationships id,attr,omitempty"` // Relationship Id pointing to the image part.
 }
+
+// xlsxLegacyDrawing directly maps the legacyDrawing element in the namespace
+// http://schemas.openxmlformats.org/spreadsheetml/2006/main -
+// A comment is a rich text note that is attached to, and associated with,
+// a cell, separate from other cell content. Comment content is stored
+// separate from the cell, and is displayed in a drawing object (like a
+// text box) that is separate from, but associated with, a cell. Comments
+// are used as reminders, such as noting how a complex formula works, or
+// to provide feedback to other users. Comments can also be used to explain
+// assumptions made in a formula or to call out something special about the cell.
+type xlsxLegacyDrawing struct {
+	RID string `xml:"http://schemas.openxmlformats.org/officeDocument/2006/relationships id,attr,omitempty"`
+}