ISO/IEC 9995-10:2013
信息技术.文本和办公系统键盘布局.第10部分:通过其键盘上和文档中字形非唯一可辨认的表示图形字符的习用符号和方法
Information technology - Keyboard layouts for text and office systems - Part 10: Conventional symbols and methods to represent graphic characters not uniquely recognizable by their glyph on keyboards and in documentation
