From 828cd4c145b1c4ae8c32e4256ceb809b112df851 Mon Sep 17 00:00:00 2001
From: Taylan Kammer <taylan.kammer@gmail.com>
Date: Fri, 29 May 2026 14:02:24 +0200
Subject: Strings allow "\x;" i.e. empty hex escape.

---
 docs/c1/grammar/zbnf.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'docs/c1/grammar/zbnf.txt')

diff --git a/docs/c1/grammar/zbnf.txt b/docs/c1/grammar/zbnf.txt
index 002e027..83a2394 100644
--- a/docs/c1/grammar/zbnf.txt
+++ b/docs/c1/grammar/zbnf.txt
@@ -44,7 +44,7 @@ QuotStrChar   : ~( '"' | '\' )
 
 StringEsc     : '\' | '|' | '"' | ( HTAB | SP )* LF ( HTAB | SP )*
               | '0' | 'a' | 'b' | 't' | 'n' | 'v' | 'f' | 'r' | 'e'
-              | 'x' HexByte+ ';'
+              | 'x' HexByte* ';'
               | 'u' UnicodeSV ';'
 
 HexByte       : HEXDIG HEXDIG
-- 
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