[Help] Maybe a bug? FCKConfig.Keystrokes in fckconfig.js

FCKConfig.Keystrokes = [
[ CTRL + 65 /*A*/, true ],
[ CTRL + 67 /*C*/, true ],
[ CTRL + 70 /*F*/, true ],
[ CTRL + 83 /*S*/, true ],
[ CTRL + 84 /*T*/, true ],
[ CTRL + 88 /*X*/, true ],
[ CTRL + 86 /*V*/, 'Paste' ],
[ CTRL + 45 /*INS*/, true ],
[ SHIFT + 45 /*INS*/, 'Paste' ],
[ CTRL + 88 /*X*/, 'Cut' ],
[ SHIFT + 46 /*DEL*/, 'Cut' ],
[ CTRL + 90 /*Z*/, 'Undo' ],
[ CTRL + 89 /*Y*/, 'Redo' ],
[ CTRL + SHIFT + 90 /*Z*/, 'Redo' ],
[ CTRL + 76 /*L*/, 'Link' ],
[ CTRL + 66 /*B*/, 'Bold' ],
[ CTRL + 73 /*I*/, 'Italic' ],
[ CTRL + 85 /*U*/, 'Underline' ],
[ CTRL + 13 /*ENTER*/, 'Save' ],
[ CTRL + ALT + 13 /*ENTER*/, 'FitWindow' ],
[ SHIFT + 32 /*SPACE*/, 'Nbsp' ]
] ;

Error： [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIDOMHTMLFormElement.submit]"  nsresult: "0x80004005 (NS_ERROR_FAILURE)"  location: "JS frame :: http://easun.org/images/wysiwyg/editor/js/fckeditorcode_gecko.js :: anonymous :: line 38"  data: no]
File：http://127.0.0.1/fckeditor/editor/js/fckeditorcode_gecko.js
line：38