add `lts-7.3` to ghcjs documentation
add `lts-7.3` to ghcjs documentation
deech/stack,Fuuzetsu/stack,MichielDerhaeg/stack,AndreasPK/stack,Fuuzetsu/stack,martin-kolinek/stack,MichielDerhaeg/stack,mrkkrp/stack,juhp/stack,deech/stack,AndreasPK/stack,anton-dessiatov/stack,anton-dessiatov/stack,juhp/stack,martin-kolinek/stack,mrkkrp/stack