What do you mean? Perhaps you mean "how" rather than "why". Others have answered with the gory "how" details. Perhaps you mean "why would anyone think to make

What do you mean? Perhaps you mean "how" rather than "why". Others have answered with the gory "how" details. Perhaps you mean "why would anyone think to make this work?" To the degree anyone thought "let's make this work", the "this" was adopting the full Unicode vision -- decent digital support for the many native languages humans use (from Arabic to Zulu). Perhaps you mean "why" as in "why would someone write the underlying language/compiler code that makes Latin math work?" Some old languages, like Latin, just happen to have been automatically enabled too. Some compiler dev would have to write code to stop it working. Perhaps you mean "why would weird Unicode characters be acceptable in a programming language's source code?" Because P6 defers to the Unicode standard by default for determining what languages and characters may be included in source code. This in turn allows everyone on the planet to feel welcome to write code in their native language and/or use characters they're familiar with in their line of work. (For example mathematicians can use the appropriate mathematical symbols to express themselves in P6 code.)