getopt-gnu: avoid crash in glibc getopt

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

diff --git a/doc/posix-functions/ceil.texi b/doc/posix-functions/ceil.texi
index 3c5c659a4f13892c20750ab7cf992840dcd55982..d6c94d51e8a277d16825f4f851a402bb6701d246 100644 (file)
--- a/doc/posix-functions/ceil.texi
+++ b/doc/posix-functions/ceil.texi
@@ -13,6 +13,10 @@ Portability problems fixed by either Gnulib module @code{ceil} or @code{ceil-iee
 Portability problems fixed by Gnulib module @code{ceil-ieee}:
 @itemize
 @item
+This function returns a positive zero for an argument between -1 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.