User talk:91.147.207.28

January 2020
Hello, I'm MarginalCost. An edit that you recently made to János Irinyi seemed to be a test and has been removed. If you want to practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! MarginalCost (talk) 21:46, 20 January 2020 (UTC)