skf is an i18n-capable kanji filter.  It works like i18n enhanced
nkf-1.6.  More specifically, skf is intended to read documents in
various languages and codes using kanji or unicode capable display
devices.  skf provides basic kanji code conversion features, include
to/from JIS, EUC, Shift-JIS, Unicode, and Vendor specific codes.  skf
also includes decoder for various code appears in the Net.  Unlike
nkf, it does not provide broken jis recovery nor mime encoding, but it
has support for ISO-8859's, European domestic set, JIS X-0212/X-0213
code, has IBM/MS vendor specific code support and can add other code
support easily.