add: if (c == "\t") { containerTag.appendChild(document.createTextNode(c)); return; }  
context: function showCtrlChar(c, containerTag){    var span = document.createElementNS ("http://www.w3.org/1999/xhtml",                                         "html:span");    span.setAttribute ("class", "chatzilla-control-char");    var ctrlStr = c.charCodeAt(0).toString(16);    if (ctrlStr.length < 2)        ctrlStr = "0" + ctrlStr;    span.appendChild (document.createTextNode ("0x" + ctrlStr));    containerTag.appendChild (span);}
meta: 1622	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1622/c4df83e07733229a3124f74931b9663125ada5cf/static.js/buggy/xul/content/static.js