rem: ReverseStateFromRow(k); 
add: ReverseStateFromNode(k); 
context: function onSubscribeTreeKeyPress(event){  // for now, only do something on space key  if (event.keyCode != KeyEvent.DOM_VK_SPACE)    return;  var treeSelection = gSubscribeTree.view.selection;   for (var i=0;i<treeSelection.getRangeCount();i++) {    var start = {}, end = {};    treeSelection.getRangeAt(i,start,end);    for (var k=start.value;k<=end.value;k++)      ReverseStateFromRow(k);  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/d1784190d551cc0ccca3f240aa557c85ad069894/subscribe.js/buggy/mailnews/base/resources/content/subscribe.js