logf: Work around OSF/1 5.1 bug.

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

diff --git a/doc/posix-functions/logf.texi b/doc/posix-functions/logf.texi
index a4de780..21b5f74 100644 (file)
--- a/doc/posix-functions/logf.texi
+++ b/doc/posix-functions/logf.texi
@@ -14,6 +14,9 @@ Minix 3.1.8, AIX 5.1, Solaris 9.
 @item
 This function is only defined as a macro with arguments on some platforms:
 MSVC 9.
+@item
+This function returns a wrong value for a minus zero argument on some platforms:
+OSF/1 5.1.
 @end itemize
 
 Portability problems not fixed by Gnulib: