allow ,<> as identifier characters since they no longer need to be reserved

CHANGELOG.md

@@ -8,8 +8,14 @@
 * Single line comments (`//`) can now be immediately followed by a newline.
 * All literal whitespace following a `\` in a string is now discarded.
 * Vertical tabs (`U+000B`) are now considered to be whitespace.
-* Identifiers can't start with `r#`, so they're easy to distinguish from raw strings. (They already similarly can't start with a digit, or a sign+digit, so they're easy to distinguish from numbers.)
-* The grammar syntax itself has been described, and some confusing definitions in the grammar have been fixed accordingly (mostly related to escaped characters).
+* Identifiers can't start with `r#`, so they're easy to distinguish from raw
+  strings. (They already similarly can't start with a digit, or a sign+digit,
+  so they're easy to distinguish from numbers.)
+* The grammar syntax itself has been described, and some confusing definitions
+  in the grammar have been fixed accordingly (mostly related to escaped
+  characters).
+* `,`, `<`, and `>` are not legal identifier characters. They were previously
+  reserved for KQL but this is no longer necessary.
 
 ### KQL
 

SPEC.md

@@ -124,7 +124,7 @@ The following characters cannot be used anywhere in a bare
 
 * Any codepoint with hexadecimal value `0x20` or below.
 * Any codepoint with hexadecimal value higher than `0x10FFFF`.
-* Any of `\/(){}<>;[]=,"`
+* Any of `\/(){};[]="`
 
 ### Line Continuation
 
@@ -498,7 +498,7 @@ bare-identifier := (unambiguous-ident | numberish-ident | stringish-ident) - key
 unambiguous-ident := (identifier-char - digit - sign - "r") identifier-char*
 numberish-ident := sign ((identifier-char - digit) identifier-char*)?
 stringish-ident := "r" ((identifier-char - "#") identifier-char*)?
-identifier-char := unicode - line-space - [\\/(){}<>;\[\]=,"]
+identifier-char := unicode - line-space - [\\/(){};\[\]="]
 keyword := boolean | 'null'
 prop := identifier '=' value
 value := type? (string | number | keyword)