code: function removeCaretContainer(caretContainer) {
  			var child, currentCaretContainer, lastContainer;
  
  			if (caretContainer) {
  					rng = selection.getRng(true);
  					rng.setStartBefore(caretContainer);
  					rng.setEndBefore(caretContainer);
  
  					child = findFirstTextNode(caretContainer);
  					if (child && child.nodeValue.charAt(0) == invisibleChar) {
  						child = child.deleteData(0, 1);
  					}
  
  					dom.remove(caretContainer, true);
  
  					selection.setRng(rng);
  			} else {
  				currentCaretContainer = getParentCaretContainer(selection.getStart());
  				while ((caretContainer = dom.get(caretContainerId)) && caretContainer !== lastContainer) {
  					if (currentCaretContainer !== caretContainer) {
  						child = findFirstTextNode(caretContainer);
  						if (child && child.nodeValue.charAt(0) == invisibleChar) {
  							child = child.deleteData(0, 1);
  						}
  
  						dom.remove(caretContainer, true);
  					}
  
  					lastContainer = caretContainer;
  				}
  			}
  		}
docs: Removes any caret container except the one we might be in