+ if(this.d) {
+ var wrapper = $('<div>');
+ wrapper.append(this.d);
+ wrapper.find(':not(iframe)').addBack().contents()
+ .filter(function() {return this.nodeType === Node.TEXT_NODE})
+ .each(function() {
+
+ var el = $(this);
+
+ // TODO: use DocumentElement API
+ var spanParent = el.parent().prop('tagName') === 'span',
+ spanBefore = el.prev().length > 0 && $(el.prev()[0]).prop('tagName') === 'span',
+ spanAfter = el.next().length > 0 && $(el.next()[0]).prop('tagName') === 'span';
+
+ if(spanParent || spanBefore || spanAfter) {
+ var startSpace = /\s/g.test(this.data.substr(0,1));
+ var endSpace = /\s/g.test(this.data.substr(-1)) && this.data.length > 1;
+ var trimmed = $.trim(this.data);
+ this.data = (startSpace && (spanParent || spanBefore) ? ' ' : '')
+ + trimmed
+ + (endSpace && (spanParent || spanAfter) ? ' ' : '');
+
+ } else {
+ this.data = $.trim(this.data);
+ }
+ });
+ this.d.unwrap();
+ };