From b2862f980f3d78012066ef1cc09d4ad58f886c0f Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Wed, 7 Oct 2026 09:53:15 -0700
Subject: Pick up japanese transaltion

A bunch of minor README fixes, missing TOC, grammer cleanup
---
 chapter06/docs/06-grammar.md | 81 --------------------------------------------
 1 file changed, 81 deletions(-)
 delete mode 100644 chapter06/docs/06-grammar.md

(limited to 'chapter06/docs/06-grammar.md')

diff --git a/chapter06/docs/06-grammar.md b/chapter06/docs/06-grammar.md
deleted file mode 100644
index 2dbde035..00000000
--- a/chapter06/docs/06-grammar.md
+++ /dev/null
@@ -1,81 +0,0 @@
-# Grammar for Chapter 6
-
-English | [日本語](06-grammar.ja.md)
-
-```antlrv4
-grammar SimpleLanguage;
-
-program
-    : statement+ EOF
-    ;
-
-statement
-    : returnStatement
-    | declStatement
-    | blockStatment
-    | expressionStatement
-    | ifStatement
-    ;
-
-ifStatement
-    : 'if' '(' expression ')' statement ('else' statement)?
-    ;
-
-
-expressionStatement
-    : IDENTIFIER '=' expression ';'
-    ;
-
-blockStatement
-    : '{' statement+ '}'
-    ;
-
-declStatement
-    : 'int' IDENTIFIER '=' expression ';'
-    ;
-
-returnStatement
-    : 'return' expression ';'
-    ;
-
-expression
-    : comparisonExpression
-    ;
-
-comparisonExpression
-    : additiveExpression (('==' | '!='| '>'| '<'| '>='| '<=') additiveExpression)*
-    ;
-
-additiveExpression
-    : multiplicativeExpression (('+' | '-') multiplicativeExpression)*
-    ;
-
-multiplicativeExpression
-    : unaryExpression (('*' | '/') unaryExpression)*
-    ;
-
-unaryExpression
-    : ('-') unaryExpression
-    | primaryExpression
-    ;
-
-primaryExpression
-    : IDENTIFIER
-    | INTEGER_LITERAL
-    | 'true'
-    | 'false'
-    | '(' expression ')'
-    ;
-
-INTEGER_LITERAL
-    : [1-9][0-9]*
-    | [0]
-    ;
-
-IDENTIFIER
-    : NON_DIGIT (NON_DIGIT | DIGIT)*
-    ;
-
-NON_DIGIT: [a-zA-Z_];
-DEC_DIGIT: [0-9];
-```
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