From 22df891893d30e9906d0b14fc3ae5d8e67d500b2 Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Sat, 3 Oct 2026 14:03:48 -0700
Subject: Chapter renumber, and split ch 17

Renumber chapters 10a, 10b, 11, 12, 13, 14 -> 10, 11, 13, 12, [11,14].
Split ch 17 into a 17a and 17b; shuffle around im/mutable syntax to be consistent, and present it more slowly.
THe new immutable syntax is pushed through all later chapters
---
 chapter13/docs/13-grammar.md | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

(limited to 'chapter13/docs/13-grammar.md')

diff --git a/chapter13/docs/13-grammar.md b/chapter13/docs/13-grammar.md
index 6cbbf388..4e7ae5b4 100644
--- a/chapter13/docs/13-grammar.md
+++ b/chapter13/docs/13-grammar.md
@@ -11,22 +11,21 @@ statement
     : returnStatement
     | structDeclaration
     | declStatement
-    | blockStatment
+    | blockStatement
     | expressionStatement
     | ifStatement
     | whileStatement
     | breakStatement
-    | continueStatment
+    | continueStatement
     ;
 
 PRIMTYPE
     : 'int'
-    | 'flt'
     ;
 
 field
     : PRIMTYPE IDENTIFIER ';'
-    | structName IDENTIFIER ('?')? ';'
+    | structName ('?')? IDENTIFIER ';'
     ;
 
 fields
@@ -103,7 +102,7 @@ newExpression
     ;
 
 fieldExpression
-    : primaryExpresson '.' IDENTIFIER
+    : primaryExpression '.' IDENTIFIER
     ;
 
 primaryExpression
@@ -123,7 +122,7 @@ INTEGER_LITERAL
     ;
 
 IDENTIFIER
-    : NON_DIGIT (NON_DIGIT | DIGIT)*
+    : NON_DIGIT (NON_DIGIT | DEC_DIGIT)*
     ;
 
 NON_DIGIT: [a-zA-Z_];
-- 
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