> I don't remember those having multiple representations for the same character in the same encoding or normal forms... But that's not really what is happing h

> I don't remember those having multiple representations for the same character in the same encoding or normal forms... But that's not really what is happing here. What is happening is that the renderer decides to merge some code points into one glyph. That was true long before unicode as well (for instance ligatures) or even on old terminals with overstriking. Unicode just made this more explicit.