Add note about unicode identifiers and not supporting emoji.

m-ou-se · m-ou-se · commit e3a67e00b577 · 2021-06-15T12:01:57.000+02:00
diff --git a/posts/2021-06-17-Rust-1.53.0.md b/posts/2021-06-17-Rust-1.53.0.md
@@ -89,6 +89,7 @@ match result {
 
 Identifiers can now contain non-ascii characters.
 All valid identifier characters in Unicode as defined in [UAX #31](https://unicode.org/reports/tr31/) can now be used.
+That includes characters from many different scripts and languages, but does not include emoji.
 
 For example:
 
