add: if (!hasOlderSibling && resizeafter != 'grow') { return } 
context: function sidebarOpenClosePanel(splitter) {  var state = splitter.getAttribute("state")  if (state == "" || state == "open") {    splitter.setAttribute("state", "collapsed")  } else {    splitter.setAttribute("state", "")  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/028b33d4c0bc265552e5f135b2bdb44aba69007b/sidebarOverlay.js/clean/xpfe/components/sidebar/resources/sidebarOverlay.js