"the definition of graphemes changes from version to version" In what twisted reality did someone think this a good idea? Doesn't it go against the whole prem

"the definition of graphemes changes from version to version" In what twisted reality did someone think this a good idea? Doesn't it go against the whole premise of everyone in the world agreeing on how to represent a meaningful unit of text? "What’s sad for us is that the rules defining grapheme clusters change every year as well. What is considered a sequence of two or three separate code points today might become a grapheme cluster tomorrow! There’s no way to know! Or prepare!" "Even worse, different versions of your own app might be running on different Unicode standards and report different string lengths!"