User talk:5.111.207.21

March 2020
Please stop your disruptive editing. If you continue to vandalize Wikipedia, as you did at Shih-Fu Chang, you may be blocked from editing. CLCStudent (talk) 02:24, 25 March 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.