gistfile1.js

var editor = new Y.EditorBase({});

editor.on('nodeChange', function(e) {
    if (Y.UA.chrome && e.commands && (e.commands.indent || e.commands.outdent)) {
        var bq = inst.all('.webkit-indent-blockquote, blockquote');
        if (bq.size()) {
            bq.setStyle('margin', '');
        }
    }
});