From b037ed51f0e25671da47611ca27a4f45f0c9ada9 Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Thu, 12 Dec 2019 13:02:28 +0100
Subject: wcwidth: Avoid test failure on AIX 7.2.

* tests/test-wcwidth.c (main): Don't fail if wcwidth(0x200B) is
negative.
* doc/posix-functions/wcwidth.texi: Mention the AIX issue.
---
 doc/posix-functions/wcwidth.texi | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'doc')

diff --git a/doc/posix-functions/wcwidth.texi b/doc/posix-functions/wcwidth.texi
index 0acc1c4aff..a3afe9ba0d 100644
--- a/doc/posix-functions/wcwidth.texi
+++ b/doc/posix-functions/wcwidth.texi
@@ -29,4 +29,8 @@ Portability problems not fixed by Gnulib:
 @item
 On AIX and Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
 accommodate all Unicode characters.
+@item
+This function treats zero-width spaces like control characters on some
+platforms:
+AIX 7.2.
 @end itemize
-- 
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