Add a comment.

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

diff --git a/doc/posix-functions/strerror.texi b/doc/posix-functions/strerror.texi
index 4fbadf59d25094c887d58dd6366bbf3d2fcf2ae6..1c1e46eb4601ca27261a9b68d2370a91fc9b4e45 100644 (file)
--- a/doc/posix-functions/strerror.texi
+++ b/doc/posix-functions/strerror.texi
@@ -11,11 +11,13 @@ Portability problems fixed by Gnulib:
 @item
 This function does not support the error values that are specified by POSIX
 but not defined by the system, on some platforms:
-OpenBSD 4.0, OSF/1 5.1, Cygwin 1.5.x, mingw.
+OpenBSD 4.0, OSF/1 5.1, NonStop Kernel, Cygwin 1.5.x, mingw.
 @item
 This function fails to return a string for out-of-range integers on
 some platforms:
 Solaris 8.
+(This is not a POSIX violation, but can still cause bugs because most programs
+call @code{strerror} without setting and testing @code{errno}.)
 @end itemize
 
 Portability problems not fixed by Gnulib: