rem: var txf = document.createElementNS(kXULNSURI, "textfield"); 
add: var txf = document.createElementNS(kXULNSURI, "textbox"); 
context:   createAttrItem: function(aValue)  {    var box = document.createElementNS(kXULNSURI, "box");    box._isColBox = true;    box._isAttrCol = true;    box.setAttribute("class", "column-selector");    box.setAttribute("autostretch", "never");    var text = document.createElementNS(kXULNSURI, "text");    text.setAttribute("value", "Attr");    box.appendChild(text);    var txf = document.createElementNS(kXULNSURI, "textfield");    txf.setAttribute("class", "attr-column-selector");    txf.setAttribute("flex", 1);    box.appendChild(txf);    return box;  },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/1e7ee6f0f96dbc0326edd55283ca67952efda4df/columnsDialog.js/clean/extensions/inspector/resources/content/viewers/dom/columnsDialog.js