context:   addColumn: function(aData)  {    this.mColumns.push(aData);        if (this.mOnColumnAdd)      this.mOnColumnAdd(this.mColumns.length-1)  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/eaa6754a0a946375badf1165b3e4af3999e4b03c/inTreeTableBuilder.js/clean/extensions/inspector/resources/content/jsutil/xul/inTreeTableBuilder.js