add leaf lists as distinct first-class construct
add leaf lists as distinct first-class construct

allanjude/libxo,allanjude/libxo,gahr/libxo,xcllnt/libxo,Juniper/libxo,Juniper/libxo,xcllnt/libxo,Juniper/libxo,gahr/libxo,allanjude/libxo,gahr/libxo,gahr/libxo,xcllnt/libxo,allanjude/libxo,Juniper/libxo,xcllnt/libxo