X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=doc%2Fposix-functions%2Fisfinite.texi;h=3dc474bb37bfb9a5d96bbaf061e7209f17675737;hb=5e05da8849498d8dc22bbb603c9e995c58e1c381;hp=50d0a7c31981ccec31e02eb23c35651e5a91f56b;hpb=2b6c08c775ae4e80b52aa41058ea5939f778b44b;p=gnulib.git

diff --git a/doc/posix-functions/isfinite.texi b/doc/posix-functions/isfinite.texi
index 50d0a7c31..3dc474bb3 100644
--- a/doc/posix-functions/isfinite.texi
+++ b/doc/posix-functions/isfinite.texi
@@ -2,7 +2,7 @@
 @section @code{isfinite}
 @findex isfinite
 
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/isfinite.html}
+POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/isfinite.html}
 
 Gnulib module: isfinite
 
@@ -11,6 +11,16 @@ Portability problems fixed by Gnulib:
 @item
 This macro is missing on some platforms:
 MacOS X 10.3, OpenBSD 3.8, AIX 5.1, IRIX 6.5, OSF/1 5.1, Solaris 10, Interix 3.5.
+@item
+This macro incorrectly yields true for some @samp{double} arguments, on some
+platforms:
+Linux/ia64 (signalling NaNs).
+@item
+This macro incorrectly yields true for some @samp{long double} arguments, on
+some platforms:
+x86 (pseudo-zeroes, unnormalized numbers, pseudo-denormals),
+x86_64 (pseudo-denormals),
+ia64 (pseudo-NaN, pseudo-Infinity, pseudo-zeroes, unnormalized numbers, pseudo-denormals).
 @end itemize
 
 Portability problems not fixed by Gnulib: