Character encodings such as Unicode and its predecessors.

• Algorithm to convert katakana to hiragana in UTF-8 (30 September 2011)
• The mysterious case of the missing Base64 library (27 March 2011)
• Detect Shift-JIS bytes in a stream of bytes (1 January 2011)
• Using Unicode with Perl XS (24 December 2010)
• Using Perl's Unicode encoding with the template toolkit (26 January 2010)
• Perl's utf8 and file names on Windows (3 October 2009)
• Switching Win32::OLE to UTF-8 (28 September 2009)
• An example of iconv (9 September 2009)