http://www.rfc-editor.org/rfc/rfc2640.txt
RFC 2640: Internationalization of the File Transfer Protocol, B. Curtin1999-07-01T23:00:00-00:00This document addresses the internationalization (I18n) of FTP, which includes supporting the multiple character sets and languages found throughout the Internet community. This is achieved by extending the FTP specification and giving recommendations for proper internationalization support. [STANDARDS-TRACK]