ref: 63f9a4fda36f916e543c8f3ea117b31c194a4db7
dir: /sys/src/cmd/tcs/alias.txt/
iso_8859-1 8859-1 iso_8859-2 8859-2 iso_8859-3 8859-3 iso_8859-4 8859-4 iso_8859-5 8859-5 iso_8859-6 8859-6 iso_8859-7 8859-7 iso_8859-8 8859-8 iso_8859-9 8859-9 iso_8859-10 8859-10 iso_8859-15 8859-15 us-ascii ascii atari av big5 big5 ibm437 ibm437 ibm720 ibm737 ibm735 ibm775 ibm850 ibm850 ibm852 ibm852 ibm855 ibm855 ibm857 ibm857 ibm858 ibm862 ibm862 ibm866 ibm866 ibm874 windows-1250 windows-1250 windows-1251 windows-1251 windows-1252 windows-1252 windows-1253 windows-1253 windows-1254 windows-1254 windows-1255 windows-1255 windows-1256 windows-1256 windows-1257 windows-1257 windows-1258 windows-1258 ebcdic korean euc-k euc-kr euc-k gb gb2312 gb_2312-80 gb2312 iso-2022-jp jis-kanji koi8-r koi8 macintosh macrom ibm865 msdos2 shift_jis ms-kanji next ov se sf1 se2 sf2 tis-620 tis ucode euc-jp ujis utf16 unicode iso-10646-utf-1 utf1 viscii-1 viet1 viscii-2 viet2 viscii viscii