static/tinymce/plugins/paste/editor_plugin_src.js
function process(items) {
				each(items, function(v) {
					// Remove or replace
					if (v.constructor == RegExp)
						h = h.replace(v, '');
					else
						h = h.replace(v[0], v[1]);
				});
			}
function process(items) {
				each(items, function(v) {
					// Remove or replace
					if (v.constructor == RegExp)
						h = h.replace(v, '');
					else
						h = h.replace(v[0], v[1]);
				});
			}
console.log('Before preprocess:' + o.content);