User blog comment:Testitemqlstudop/Array notation variants/@comment-35470197-20191021131405/@comment-35470197-20191021143028

But t does not has %a entries while the rule "t_i = t" should be valid for 0 ≦ i < %a. Is there another typo? Also, why do you need to change t? The target array is a, and hence the replacement of t does nothing.