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