Wikipedia:WikiProject User scripts/Scripts/Sigdash

//

// This script changes the "Your signature with timestamp" edit button to use a real em dash instead of two hyphens.

(function () {

var oldAddButton = window.addButton;

if (typeof(oldAddButton) != 'function') return;

window.addButton = function () {

if (arguments.length > 2)

arguments[2] = arguments[2].replace(/^--(~+)$/, '—$1');

oldAddButton.apply(this, arguments);

};

})();

//