test-perror: relax test to ignore cygwin bug

[gnulib.git] / doc / posix-functions / fputws.texi

diff --git a/doc/posix-functions/fputws.texi b/doc/posix-functions/fputws.texi
index f3b2b4e..c842488 100644 (file)
--- a/doc/posix-functions/fputws.texi
+++ b/doc/posix-functions/fputws.texi
@@ -18,4 +18,8 @@ IRIX 5.3, Solaris 2.5.1, Cygwin 1.5.x, BeOS.
 @item
 On AIX and Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
 accommodate all Unicode characters.
+@item
+On some platforms, this function does not set @code{errno} or the
+stream error indicator on attempts to write to a read-only stream:
+Cygwin 1.7.9.
 @end itemize