IDML: Some Changes are not recognized

Created by: Anonymous

Given is an IDML document that contains tracked changes. We could observe that some of the changes are not being extracted.

The missing texts can be found in the following structure of the attached IDML document:

#!xml
<Change Date="2017-07-19T10:19:40" ChangeType="InsertedText" UserName="$ID/Unknown User Name" AppliedDocumentUser="dDocumentUser0">
				<CharacterStyleRange AppliedCharacterStyle="CharacterStyle/$ID/[No character style]">
					<Content>Text 6</Content>
				</CharacterStyleRange>
				<CharacterStyleRange AppliedCharacterStyle="CharacterStyle/$ID/[No character style]">
					<Properties>
						<Leading type="unit">8</Leading>
					</Properties>
					<Br/>
				</CharacterStyleRange>
			</Change>

My best guess so far is that the content of the "Change" element is not found because it is the child of a CharacterStyleRange. Are CharacterStyleRanges within "Change" not expected?