add: return null; } 
context: function tolr_getshare(){    if (this.parentRecord)        return this.parentRecord._share;    else        ASSERT (0, "TOLabelRecord cannot be the root of a visible tree.");}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/7488ede56fc7ede3684f0f159200a415c4307fc0/tree-utils.js/buggy/extensions/cview/resources/content/tree-utils.js