Mule : MULtilingual Enhancement to GNU Emacs

Mule: MULtilingual Enhancement to GNU Emacs handles not only ASCII characters (7 bits) and ISO Latin-1 (8 bits), but also Greek, Cyrillic, He-brew, Thai, Vietnamese (8 bits), Japanese, Chinese, Korean (16 bits) coded in the ISO2022 standard and its variants (e.g. EUC, Compound Text). A text buffer of Mule holds a mixture of these languages. As for inputting, Mule provides various input methods and in case Mule is running under a terminal emulator, whatever the emulator provides can be used. Mule has extended GNU Emacs's internal structure on many points including buffer, string, character and character-syntax so that EmacsLisp can freely manipulate multilingual text. In addition, Mule converts multilingual text into appropriate codes while handling many types of I/O (e.g. file, process, keyboard , display). Since Mule is upper compatible with the original GNU Emacs, there's no regression for users of the original even if they move to Mule.