%a2c = (
'US-ascii' => 'ascii',
'ISO-646-US' => 'ascii',
- 'UTF-8' => 'utf8',
+ 'UTF-8' => 'utf-8-strict',
'UCS-2' => 'UCS-2BE',
'UCS2' => 'UCS-2BE',
'iso-10646-1' => 'UCS-2BE',
'WinArabic' => 'cp1256',
'WinBaltic' => 'cp1257',
'WinVietnamese' => 'cp1258',
+ 'koi8r' => 'koi8-r',
+ 'koi8u' => 'koi8-u',
'ja_JP.euc' => $ON_EBCDIC ? '' : 'euc-jp',
'x-euc-jp' => $ON_EBCDIC ? '' : 'euc-jp',
'zh_CN.euc' => $ON_EBCDIC ? '' : 'euc-cn',