I've found what I believe to be a bug in HtmlTable.update(). Where do I submit it?
--- mootools-more-1.4.0.1.js-orig 2012-05-04 11:05:17.813344924 +0100 +++ mootools-more-1.4.0.1.js 2012-05-05 10:42:20.197343891 +0100 @@ -8457,7 +8457,7 @@ row.each(function(data, index){ var td = tds[index] || new Element(tag || 'td').inject(tr), - content = (data ? data.content : '') || data, + content = typeOf(data.content) !== 'undefined' ? data.content : data, type = typeOf(content); if (data && data.properties) td.set(data.properties);