NoLegs, NoUnderlyings, and NoCapacities groups in Confirmation message in FIX44.xml should not be required

I found NoLegs group in Confirmation message in FIX44.xml (QFJ 1.3.3) is required. But it is not required according to the FIX spec. Same happens for NoUnderlyings and NoCapacities.

<message name="Confirmation" msgtype="AK" msgcat="app">
<field name="ConfirmID" required="Y"/>
<field name="ConfirmRefID" required="N"/>
<field name="ConfirmReqID" required="N"/>
<field name="ConfirmTransType" required="Y"/>
<field name="ConfirmType" required="Y"/>
<field name="CopyMsgIndicator" required="N"/>
<field name="LegalConfirm" required="N"/>
<field name="ConfirmStatus" required="Y"/>
<component name="Parties" required="N"/>
<group name="NoOrders" required="N">
<field name="ClOrdID" required="N"/>
<field name="OrderID" required="N"/>
<field name="SecondaryOrderID" required="N"/>
<field name="SecondaryClOrdID" required="N"/>
<field name="ListID" required="N"/>
<component name="NestedParties2" required="N"/>
<field name="OrderQty" required="N"/>
<field name="OrderAvgPx" required="N"/>
<field name="OrderBookingQty" required="N"/>
</group>
<field name="AllocID" required="N"/>
<field name="SecondaryAllocID" required="N"/>
<field name="IndividualAllocID" required="N"/>
<field name="TransactTime" required="Y"/>
<field name="TradeDate" required="Y"/>
<component name="TrdRegTimestamps" required="N"/>
<component name="Instrument" required="Y"/>
<component name="InstrumentExtension" required="N"/>
<component name="FinancingDetails" required="N"/>
<group name="NoUnderlyings" required="Y">
<component name="UnderlyingInstrument" required="N"/>
</group>
<group name="NoLegs" required="Y">
<component name="InstrumentLeg" required="N"/>
</group>
<component name="YieldData" required="N"/>
<field name="AllocQty" required="Y"/>
<field name="QtyType" required="N"/>
<field name="Side" required="Y"/>
<field name="Currency" required="N"/>
<field name="LastMkt" required="N"/>
<group name="NoCapacities" required="Y">
<field name="OrderCapacity" required="Y"/>
<field name="OrderRestrictions" required="N"/>
<field name="OrderCapacityQty" required="Y"/>
</group>