The EU (Edit - UTF-8) line command can be entered against a regular file that contains data encoded in UTF-8 and the file is not tagged with a CCSID of 1208. The ISPF editor is invoked with the UTF-8 edit facility which converts the UTF-8 data to the CCSID of the terminal, allowing you to read and change the UTF-8 data in file. If the E line command is used and the file is tagged with a CCSID of 1208, ISPF invokes the UTF-8 edit facility.