State Ex Rel. James L. Callan, Inc. v. Barg

A motion to quash a writ of mandamus is tantamount to a general demurrer (sec. 293.01, Stats.), and presents the sole issue as to whether or not there is any ground for the relief requested. As stated in State ex rel. Leuch v. Hilgen (1951), 258 Wis. 430, 431, 46 N. W. (2d) 229:

“ ‘The motion [to quash] is in the nature of a demurrer, and ordinarily is dependent for its effectiveness on grounds stated in the motion. It cannot be aided by allegations of fact, and, like a demurrer, admits all facts which are well pleaded for the purpose of the motion, and it raises the issue whether any ground…