docs: public static Charset getCharsetByByte(int b) {
  		switch (b) {
  
  		case 0x01:
  			// U.S. MS-DOS
  			return forName("IBM437");
  		case 0x02:
  			// International MS-DOS
  			return forName("IBM850");
  		case 0x03:
  			// Windows ANSI
  			return forName("windows-1252");
  		case 0x04:
  			// Standard Macintosh
  			return forName("MacRoman");
  		case 0x57:
  			// ESRI shape files use code 0x57 to indicate that
  			// data is written in ANSI (whatever that means).
  			// http://www.esricanada.com/english/support/faqs/arcview/avfaq21.asp
  			return forName("windows-1252");
  		case 0x59:
  			return forName("windows-1252");
  		case 0x64:
  			// Eastern European MS-DOS
  			return forName("IBM852");
  		case 0x65:
  			// Russian MS-DOS
  			return forName("IBM866");
  		case 0x66:
  			// Nordic MS-DOS
  			return forName("IBM865");
  		case 0x67:
  			// Icelandic MS-DOS
  			return forName("IBM861");
  			// case 0x68:
  			// Kamenicky (Czech) MS-DOS
  			// return Charset.forName("895");
  			// case 0x69:
  			// Mazovia (Polish) MS-DOS
  			// return Charset.forName("620");
  
  		case 0x6A:
  			// Greek MS-DOS (437G)
  			return forName("x-IBM737");
  		case 0x6B:
  			// Turkish MS-DOS
  			return forName("IBM857");
  		case 0x78:
  			// Chinese (Hong Kong SAR, Taiwan) Windows
  			return forName("windows-950");
  		case 0x79:
  			// Korean Windows
  			return Charset.forName("windows-949");
  		case 0x7A:
  			// Chinese (PRC, Singapore) Windows
  			return forName("GBK");
  		case 0x7B:
  			// Japanese Windows
  			return forName("windows-932");
  		case 0x7C:
  			// Thai Windows
  			return forName("windows-874");
  		case 0x7D:
  			// Hebrew Windows
  			return forName("windows-1255");
  		case 0x7E:
  			// Arabic Windows
  			return forName("windows-1256");
  		case 0x96:
  			// Russian Macintosh
  			return forName("x-MacCyrillic");
  		case 0x97:
  			// Macintosh EE
  			return forName("x-MacCentralEurope");
  		case 0x98:
  			// Greek Macintosh
  			return forName("x-MacGreek");
  		case 0xC8:
  			// Eastern European Windows
  			return forName("windows-1250");
  		case 0xC9:
  			// Russian Windows
  			return forName("windows-1251");
  		case 0xCA:
  			// Turkish Windows
  			return forName("windows-1254");
  		case 0xCB:
  			// Greek Windows
  			return forName("windows-1253");
  		}
  		return null;
  	}