Board Thread:Questions and Answers/@comment-26828130-20180417092850/@comment-26828130-20180422013410

I've removed the {{#if:{{{4}}}|cat| part from the beginning, link is now always shown
 * {{U90}}
 * {{U90|2018|4}}
 * {{U90|2018|4|22}}
 * {{U90|2018|4|22}} (with category trigger)