How to remove this blue tip for "http://www.w3.org/1999/xhml? Alt+Enter" Follow Maarten Created July 24, 2019 07:47 Also questioned (but unanswered) here: https://intellij-support.jetbrains.com/hc/en-us/community/posts/206081929-Painfully-annoying-popup?input_string=Blue%20tip%20for%20http%3A%2F%2Fwww.w3.org%2F1999%2Fxhml%3F%20Alt%2BEnter%22 I'm edditing an html file (that has vue.js) and it keeps popping up this annoything tooltip or something with "http://www.w3.org/1999/xhml? Alt+Enter". What is it and how do I remove it? Thanks!