If the Yen sign appears as a backslash in CotEditor

With one of the text encodings listed below, a halfwidth Yen character (¥) is displayed as is when you type, but if you change the encoding, or, if you save and reopen the file, it will be displayed as a backslash (\).

• Japanese (Windows, DOS)
• Japanese (EUC)
• Traditional Chinese (EUC)
• Simplified Chinese (GB 2312)
• Korean (EUC)
• Korean (Windows, DOS)
• Thai (Windows, DOS)
• Thai (ISO 8859-11)
• Arabic (Mac OS)
• Arabic (ISO 8859-6)
• Hebrew (Mac OS)
• Greek (ISO 8859-7)
• Cyrillic (Mac OS)
• Cyrillic (ISO 8859-5)
• Cyrillic (Windows)
• Central European (ISO Latin 2)
• Central European (ISO Latin 4)
• Central European (Windows Latin 2)
• Central European (Mac OS)
• Nordic (ISO Latin 6)
• Baltic (ISO Latin 7)
• Celtic (ISO Latin 8)
• Romanian (ISO Latin 10)
• Russian (DOS)
• Latin-US (DOS)
• Western (ISO Latin 3)
• Western (ASCII)