...nothing more than a standing offer, though it, may be that, during the life time of the promisor, the distinction between a binding offer and a complete agreement is not of much importance as between the...herself to sell to plaintiffs on certain, terms, if they chose to avail themselves of the binding offer and her agreement is, in truth, merely an offer which cannot be withdrawn and certainly does not...was only an offer, although it is in the first part of it, independently of the postscript, worded as an agreement. I apprehend that, until acceptance, so that both parties are bound, even though an...