Data conversion
-- | ---------- | ------------------ | ---------------------------------- |
* | CHARCODE | JIS|EUC|SJIS|UTF8 | character conversion for Japanese text |
* | CHARMAP | [jis|ucs]:a-z/A-Z | map character to character in text data |
HTMLCONV | deent|enent|pre | decode/encode between HTML & plain text | |
MIMECONV | thru|charcode | control MIME encoder/decoder |