Doubled up entry in improvements.xml
Why some city hubs have duplicated entries, is it a trick or a leftover?:
<GameModifier>
<ModType>CityDefenseSummon</ModType>
<Attribute>SummonUnitByClass</Attribute>
<Value>1</Value>
<Provides>+1 City Archer Party</Provides>
<UnitClass>CityArcher_Party</UnitClass>
</GameModifier>
<GameModifier>
<ModType>CityDefenseSummon</ModType>
<Attribute>SummonUnitByClass</Attribute>
<Value>1</Value>
<Provides>+1 City Archer Party</Provides>
<UnitClass>CityArcher_Party</UnitClass>
</GameModifier>