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: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/1f42c13a0fedc4ccc3d8322c5a1e4bf9acc80954/tree-utils.js/clean/extensions/cview/resources/content/tree-utils.js