1 files changed, 15 insertions, 6 deletions

diff --git a/share/man/man3/tgmath.3 b/share/man/man3/tgmath.3
index f8faf269a7a34..e86b14184c209 100644
--- a/share/man/man3/tgmath.3
+++ b/share/man/man3/tgmath.3
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 14, 2004
+.Dd January 4, 2012
 .Dt TGMATH 3
 .Os
 .Sh NAME
@@ -139,15 +139,24 @@ The header
 .In tgmath.h
 first appeared in
 .Fx 5.3 .
-.Sh BUGS
-The header
+.Sh COMPILER SUPPORT
+Before
+.St -isoC-11 ,
+the header
 .In tgmath.h
-cannot be implemented with strictly conforming C code and needs
+could not be implemented with strictly conforming C code and needed
 special compiler support.
-The current implementation only works for GCC.
-.Pp
+As of
+.St -isoC-11 ,
+this header file can be implemented using the
+.Fn _Generic
+language keyword.
+In addition to compilers that support this keyword, this header file
+works with GCC.
+.Sh BUGS
 Many of the functions mentioned here are not prototyped in
 .In math.h
 or
 .In complex.h
 as they are not yet implemented.
+This prevents the corresponding type-generic macro from working at all.