rem: if ( "HTTPIndex" in _content && _content.HTTPIndex instanceof Components.interfaces.nsIHTTPIndex ) { _content.defaultCharacterset = getMarkupDocumentViewer().defaultCharacterSet; 
add: if ( "HTTPIndex" in content && content.HTTPIndex instanceof Components.interfaces.nsIHTTPIndex ) { content.defaultCharacterset = getMarkupDocumentViewer().defaultCharacterSet; 
context: function checkForDirectoryListing(){  if ( "HTTPIndex" in _content &&       _content.HTTPIndex instanceof Components.interfaces.nsIHTTPIndex ) {    _content.defaultCharacterset = getMarkupDocumentViewer().defaultCharacterSet;  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/beeac80043c4f0114db3c4e4e7646037c24c950b/browser.js/buggy/browser/base/content/browser.js