Subject: bug#57573: disarchive: Test "[prop] Writing is reversible" fails

From: Maxime Devos <[email-masked]>
Date: Sun, 4 Sep 2022 10:24:15 +0200

Here's a reproducer:

(define o (make-unstructured-octal 0 (make-zero-string "0" #\䤄)))
(test-equal "Writing is reversible (#57573)"
         o (decode-octal (encode-octal octal)))