User:Rayous/global.js

if (mwCustomEditButtons) { mwCustomEditButtons[mwCustomEditButtons.length] = { "imageFile": "http://images.wikia.com/central/images/c/c8/Button_redirect.png", "speedTip": "Redirect", "tagOpen": "#REDIRECT ",    "tagClose": "", "sampleText": "Insert text"}; mwCustomEditButtons[mwCustomEditButtons.length] = { "imageFile": "http://images.wikia.com/central/images/c/c9/Button_strike.png", "speedTip": "Strike", "tagOpen": " ", "tagClose": " ", "sampleText": "Strike-through text"}; mwCustomEditButtons[mwCustomEditButtons.length] = { "imageFile": "http://images.wikia.com/central/images/1/13/Button_enter.png", "speedTip": "Line break", "tagOpen": " ", "tagClose": "", "sampleText": ""};

mwCustomEditButtons[mwCustomEditButtons.length] = { "imageFile": "http://images.wikia.com/central/images/7/74/Button_comment.png", "speedTip": "Comment visible only for editors", "tagOpen": "", "sampleText": "Insert comment here"} }