Optional character sets:
PC437(std.Europe), Katakana,
PC850(Multilingual), PC860(Portuguese), PC863(Canadian), PC865(Nordic),
PC857(Turkish), PC737(Greek), ISO08859-7(Greek), WPC1252,
PC866(Cyrillic #2), PC852(Latin 2), PC858(Euro), KU42(Thai), TIS11(Thai),
TIS18(Thai), PC720(Arabic), WPC775(Baltic Rim), PC855(Cyrillic),
PC862(Hebrew), PC864(Arabic), ISO8859-2(Latin2), ISO8859-15(Latin9),
WPC1250(Latin 2), WPC1251(Cyrillic), WPC1253(Greek),
WPC1254(Turkish), WPC1255(Hebrew), WPC1256(Arabic),
WPC1257(Baltic Rim), WPC1258(Vietnamese), MIK(Cyrillic),
PC755(Latin 2), Iran, Iran II, Latvian, ISO-8859-1(WestEur),
ISO-8859-3(Latin 3), ISO-8859-4(Baltic), ISO-8859-5(Cyrillic),
ISO-8859-6(Arabic), ISO-8859-8(Hebrew), ISO-8859-9(Turkish), PC856,
PC3848(ABICOMP), MONGOLIAN, VISCII