A motion for such an order is addressed to the discretion of the trial court and its conclusion will not be reversed where substantial rights upon the merits are not affected. Hart v. Lincoln Nat. L. Ins. Co. 144 Minn. 155, 174 N.W. 740. We see no reason why the plaintiff should not comply with this order. There is nothing to indicate that it prejudices his rights. If plaintiff discloses the instances that are now within his knowledge and learns before trial of still other occasions, he will be permitted to show them. If he states one or two of the three requirements and alleges that the other or others are unknown, his complaint will stand. The order does not require impossible things. There is nothing to indicate that there are any real barriers to its performance. True, the cases of Lee v. M. St. L. Ry. Co. 34 Minn. 225, 25 N.W. 399; Todd v. M. St. L. Ry. Co. 37 Minn. 358, 35 N.W. 5; and Bowers v. Schuler,54 Minn. 99, 55 N.W. 817, tend to support the position of plaintiff. These cases sustained the lower court and the last began to recognize the character of the application as discretionary. We think however that the modern rule is as expressed in Hart v. Lincoln Nat. L. Ins. Co. supra. Technical rules in civil practice have become considerably relaxed in the last 40 years. Much greater changes have occurred in criminal practice. The trial court might have decided this motion either way. We see no reason to justify our saying that there was an abuse of discretion.
Affirmed.