User talk:Carol 88 mengyao

September 2015
Hello, I'm Jeh. I wanted to let you know that I undid one or more of your recent contributions to Semaphore (programming) because it did not appear constructive. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Jeh (talk) 06:51, 3 September 2015 (UTC)