The constructors of the following charsets invoke StandardCharsets.aliasesFor
rather than ExtendedCharsets.aliasesFor, causing them to have no aliases rather
than the aliases defined in the ExtendedCharsets provider class.

    IBM037 IBM1006 IBM1025 IBM1026 IBM1046 IBM1047 IBM1097 IBM1098 IBM1112
    IBM1122 IBM1123 IBM1124 IBM1140 IBM1141 IBM1142 IBM1143 IBM1144 IBM1145
    IBM1146 IBM1147 IBM1148 IBM1149 IBM273 IBM277 IBM278 IBM280 IBM284 IBM285
    IBM297 IBM420 IBM424 IBM437 IBM500 IBM737 IBM775 IBM838 IBM850 IBM852
    IBM855 IBM856 IBM857 IBM858 IBM860 IBM861 IBM862 IBM863 IBM864 IBM865
    IBM866 IBM868 IBM869 IBM870 IBM871 IBM874 IBM875 IBM918 IBM921 IBM922
    ISO_8859_3 ISO_8859_6 ISO_8859_8 MS1255 MS1256 MS1258 MacArabic
    MacCentralEurope MacCroatian MacCyrillic MacDingbat MacGreek MacHebrew
    MacIceland MacRoman MacRomania MacSymbol MacThai MacTurkish MacUkraine
    TIS_620

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