nl_tokens: Adds line breaks before and after the given node if the previous and next siblings aren t already causing a visual line break ( block element or <br > )
pl_tokens: function _addLineBreakBeforeAndAfter ( node ) { var <mask> = node . ownerDocument , nextSibling = _getNextSiblingThatIsNotBlank ( node ) , previousSibling = _getPreviousSiblingThatIsNotBlank ( node ) ; if ( nextSibling && ! _isLineBreakOrBlockElement ( nextSibling ) ) { node . parentNode . insertBefore ( doc . createElement ( "br" ) , nextSibling ) ; } if ( previousSibling && ! _isLineBreakOrBlockElement ( previousSibling ) ) { node . parentNode . insertBefore ( doc . createElement ( "br" ) , node ) ; } }