Some research and discussion about Unicode and display of characters, focussing mainly on Latin, Greek and Chinese.

• CharacterIssues
• mac-perl-unicode

Ligatures

• GreekLigatures
• LatinLigatures

Chinese

• displaying-character-variants
• VariationSequences
• unihan

References on encoding

• ​A tutorial on character code issues (by J. Korpela)
• ​Unicode Home Page
  • ​Code Charts By Script (Unicode 5.1)
  • ​Unicode Standard Annex #15: UNICODE NORMALIZATION FORMS
• ​Fonts & Encodings (O'Reilly book by Y. Haralambous, English ed.)
• ​Documentation for Unicode::Normalize Perl module (from ​CPAN)
• ​ISO 8879 entities (from W3C)
• ​The Text Encoding Initiative (TEI)
• ​Beta Code
• ​ISO 15924 script codes