From 6a08014b77bf435f025ecdac08396580b85f159a Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <janneke@gnu.org>
Date: Sat, 8 Sep 2018 20:22:45 +0200
Subject: [PATCH] fix binary literals.

---
 module/nyacc/lex.scm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/module/nyacc/lex.scm b/module/nyacc/lex.scm
index 2ec9895..b205212 100644
--- a/module/nyacc/lex.scm
+++ b/module/nyacc/lex.scm
@@ -345,10 +345,11 @@
 	  ((char-numeric? ch) (iter chl '$fixed ba 1 ch))
 	  ((char=? #\. ch) (iter (cons ch chl) #f ba 15 (read-char))) 
 	  (else #f)))
-	((10) ;; allow x after 0
+	((10) ;; allow x, b after 0
 	 (cond
 	  ((eof-object? ch) (iter chl ty ba 5 ch))
 	  ((char=? #\x ch) (iter (cons ch chl) ty 16 1 (read-char)))
+          ((char=? #\b ch) (iter (cons ch chl) ty 2 1 (read-char)))
 	  (else (iter chl ty ba 1 ch))))
 	((15) ;; got `.' only
 	 (cond
-- 
2.18.0

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