ffs: new module

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

diff --git a/doc/posix-functions/isnan.texi b/doc/posix-functions/isnan.texi
index 01816868c0362bcb7cf073dc07dd86cf045cc0b2..2023995542dcb3a3b44d2828106ef41f834848df 100644 (file)
--- a/doc/posix-functions/isnan.texi
+++ b/doc/posix-functions/isnan.texi
@@ -2,7 +2,7 @@
 @section @code{isnan}
 @findex isnan
 
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/isnan.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/isnan.html}
 
 Gnulib module: isnan
 
@@ -12,6 +12,9 @@ Portability problems fixed by Gnulib:
 @code{isnan} was introduced with C99 and is thus commonly not present
 on pre-C99 systems.
 @item
+@code{isnan} is not a macro on some platforms:
+IRIX 6.5, OSF/1 5.1 with gcc, Solaris 11 2010-11.
+@item
 On IRIX 6.5 with @code{cc}, @code{isnan} does not recognize some NaNs.
 @item
 On NetBSD/i386 and glibc/ia64, @code{isnan} does not recognize some