--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-12-20  Bruno Haible  <bruno@clisp.org>
+
+	roundf, round, roundl: Update documentation regarding OSF/1 5.1.
+	* doc/posix-functions/roundf.texi: Mention OSF/1 5.1 problem.
+	* doc/posix-functions/round.texi: Likewise.
+	* doc/posix-functions/roundl.texi: Likewise.
+
 2010-12-20  Bruno Haible  <bruno@clisp.org>
 
 	ttyname_r: Add missing declaration on HP-UX 11.

--- a/doc/posix-functions/round.texi
+++ b/doc/posix-functions/round.texi
@@ -12,6 +12,9 @@
 This function is missing on some platforms:
 FreeBSD 5.2.1, OpenBSD 3.8, AIX 5.1, IRIX 6.5, OSF/1 4.0, Solaris 9, Interix 3.5.
 @item
+This function is not declared on some platforms:
+OSF/1 5.1.
+@item
 This functions returns a wrong result for x = 1/2 - 2^-54 on some platforms:
 NetBSD 3.0, AIX 7.1.
 @end itemize

--- a/doc/posix-functions/roundf.texi
+++ b/doc/posix-functions/roundf.texi
@@ -12,6 +12,9 @@
 This function is missing on some platforms:
 FreeBSD 5.2.1, OpenBSD 3.8, AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 4.0, Solaris 9, Interix 3.5.
 @item
+This function is not declared on some platforms:
+OSF/1 5.1.
+@item
 This functions returns a wrong result for x = 1/2 - 2^-25 on some platforms:
 mingw.
 @end itemize

--- a/doc/posix-functions/roundl.texi
+++ b/doc/posix-functions/roundl.texi
@@ -11,6 +11,9 @@
 @item
 This function is missing on some platforms:
 FreeBSD 5.2.1, NetBSD 5.0, OpenBSD 3.8, AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 4.0, Solaris 9, Cygwin, Interix 3.5, BeOS.
+@item
+This function is not declared on some platforms:
+OSF/1 5.1.
 @end itemize
 
 Portability problems not fixed by Gnulib: