Kullanıcı:Headersalreadysent/monobook.js

var button = {
	"imageFile": "images/5/56/Button_big.png", // image to be shown on the button (may be a full URL too), 22x22 pixels
	"speedTip": "big text", // text shown in a tooltip when hovering the mouse over the button
	"tagOpen": "<big>", // the text to use to mark the beginning of the block
	"tagClose": "</big>",      // the text to use to mark the end of the block (if any)
	"sampleText": "big text"  // the sample text to place inside the block
};
mwCustomEditButtons.push(button);