Why does chart_StarOffice_XML_Chart not have a DetectService?

[Caolán McNamara]

On Fri, 2013-11-01 at 09:18 +0100, Stephan Bergmann wrote:
> Does anybody happen to have any insight why there is no DetectService 
> for chart_StarOffice_XML_Chart (when the dozen other 
> filter/source/config/fragments/types/*_StarOffice_*.xcu each specify one)?

Perhaps because you can't (or at least historically you couldn't) have
standalone chart documents? i.e. they are always embedded in another
file.

C.