@section @code{erf}
@findex erf
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/erf.html}
+POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/erf.html}
-Gnulib module: ---
+Gnulib module: erf
Portability problems fixed by Gnulib:
@itemize