"tagOpen": "<sup>",
"tagClose": "</sup>",
"sampleText": ""};
mwCustomEditButtons[mwCustomEditButtons.length] = {
"imageFile": "http://upload.wikimedia.org/wikipedia/en/1/13/Button_enter.png",
"speedTip": "Line break",
"tagOpen": "<br />",
"tagClose": "",
"sampleText": ""};
}