User talk:2603:8081:1940:17:C081:A3C4:918B:21C

October 2020
Hello. This is a message to let you know that one or more of your recent contributions, such as the edit you made to Abstract syntax tree, did not appear constructive and has been reverted. Please take some time to familiarise yourself with our policies and guidelines. You can find information about these at our welcome page which also provides further information about contributing constructively to this encyclopedia. If you only meant to make test edits, please use the sandbox for that. If you think I made a mistake, or if you have any questions, you may leave a message on my talk page. Adding email addresses.  Mr. Heart  (talk) 14:45, 29 October 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.

Please refrain from making unconstructive edits to Wikipedia, as you did with this edit to Peak signal-to-noise ratio. Your edits appear to be vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Repeated vandalism can result in the loss of editing privileges. Thank you. Materialscientist (talk) 20:21, 29 October 2020 (UTC)