thanks ian, what you say is more or less what i suspected.
its not a big issue in our family and as far as my daughter is concerned i am her dad and that is that.
it just seems to be nice to be all together legally.
i think we will stay as we are ,,also i just came back from phil after looking at the land i buy and if me and my wife die maybe there would be issues of transfer of ownership to my step daughter.
so yes we stay the same as now,,thanks for the reply