show append changes to existing multiline textbox in Custom Edit/Display form

To show append changes to existing multiline textbox, use below code:

<SharePoint:AppendOnlyHistory runat="server" FieldName="multiple field" ControlMode="Display" ItemId="{@ID}"/>

How to Add:
1. in custom display form
Try to create a new custom display form in Designer, select the multiple field, then go to code, tries to use the above code to replace
<xsl:select value-of="@multiple field" />

2. In custom edit form
Try to create a new custom edit form in Designer, select the multiple field, then go to code,
try to use the above code to replace


   <SharePoint:FieldDescription runat="server" id="ffndescription{$Pos}" FieldName="mul" ControlMode="Edit"/>

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