context:   addColumn: function(aData)  {    this.mColumns.push(aData);        if (this.mOnColumnAdd)      this.mOnColumnAdd(this.mColumns.length-1)  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/0b2dd2b2d2fd037df917e07645fa019a963332a5/inTreeTableBuilder.js/clean/extensions/inspector/resources/content/jsutil/xul/inTreeTableBuilder.js