rem: li.nextSibling.style.display = null; 
add: li.nextSibling.style.removeProperty("display"); 
context: function toggleStyleShorthand(event){    var li = event.currentTarget.parentNode;    if (li.className.indexOf("expanded") != -1) {        li.className = li.className.replace(/ expanded/, "");        li.nextSibling.style.display = "none";        expandedStyleShorthands[li.shorthand] = false;    } else {        li.className += " expanded";        li.nextSibling.style.display = null;        expandedStyleShorthands[li.shorthand] = true;    }    stylePropertiesScrollArea.refresh();}
meta: 5650	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5650/96e0c5e3580a3b4a93b5c6c0c169c00356531186/inspector.js/buggy/WebKit/WebInspector/webInspector/inspector.js