
    No. 323.
    Ballweg and wife, Appellants, v. Baars and another, Respondents.
    (Also reported in 223 N. W. 2d 686.)
    The cause was submitted for the appellants on the brief of Max H. Klein of Middleton, and for the respondents on the brief of Hill, Quale & Hartmann of Baraboo.
   Vendor and purchaser. Option to purchase. Expiration before attempted exercise. Summary judgment. Estoppel not pleaded. Optionor’s entitlement to summary judgment.  