An indictment or information shall not be invalid, nor shall the trial, judgment, or other proceedings on the indictment or information be stayed, because of any defect that does not prejudice the substantial rights of the defendant.
Mo. R. Crim. P. 23.11
Committee Note - 1979
The source is prior Rule 24.11. In revising prior Rule 24.11 it is not intended that the substance of that Rule be changed. The revision was made solely to make the rule more concise.
Compare: Fed. R. Crim. P. 7(c)(3).