rem: doc.charset, 
add: doc.characterSet, 
context:     addBookmarkForFrame : function() {      var doc = this.target.ownerDocument;      var uri = doc.location.href;      var title = doc.title;      if ( !title )        title = uri;      BookmarksUtils.addBookmark( uri,                                  title,                                  doc.charset,                                  false );    },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/e4061125e3a114b07c1cb46e3d4cc6d2475ab60d/nsContextMenu.js/clean/mail/base/content/nsContextMenu.js