doc: Improve doc about gl_EARLY.

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

diff --git a/doc/posix-functions/fsetpos.texi b/doc/posix-functions/fsetpos.texi
index 80ebde4..547f866 100644 (file)
--- a/doc/posix-functions/fsetpos.texi
+++ b/doc/posix-functions/fsetpos.texi
@@ -2,7 +2,7 @@
 @section @code{fsetpos}
 @findex fsetpos
 
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/fsetpos.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/fsetpos.html}
 
 Gnulib module: ---
 
@@ -12,4 +12,8 @@ Portability problems fixed by Gnulib:
 
 Portability problems not fixed by Gnulib:
 @itemize
+@item
+On platforms where @code{off_t} is a 32-bit type, this function may not
+work correctly on files larger than 2 GB.  The fix is to use the
+@code{AC_SYS_LARGEFILE} macro.
 @end itemize