SquirrelMail decoding functions are used to display and convert messages encoded in different character sets. This extra decoding library provides support for some complex Eastern character sets and some rarely used Apple character sets.

This release supports Big5, Windows-874 (cp874, Thai), Windows-949 (UHC, Korean), EUC-CN, EUC-JP, EUC-KR, EUC-TW, GB18030, GB2312, ISO-2022-CN, ISO-2022-JP, ISO-2022-JP-2, ISO-2022-KR, Shift_JIS and various x-mac-* character sets.