pthread_sigmask: Work around Cygwin bug.

[pspp] / doc / posix-functions / round.texi

diff --git a/doc/posix-functions/round.texi b/doc/posix-functions/round.texi
index cf3189b3143b5f13e314b8b1daac59687d56908b..c9f55a4b2b69ed21d4395ec2734a5d1a4dbf0898 100644 (file)
--- a/doc/posix-functions/round.texi
+++ b/doc/posix-functions/round.texi
@@ -22,6 +22,10 @@ NetBSD 3.0, AIX 7.1.
 Portability problems fixed by Gnulib module @code{round-ieee}:
 @itemize
 @item
+This function returns a positive zero for an argument between -0.5 and 0
+on some platforms:
+AIX 7.1, OSF/1 5.1.
+@item
 This function returns a positive zero for a minus zero argument
 on some platforms:
 OSF/1 5.1.