@section @code{posix_spawnattr_setpgroup}
@findex posix_spawnattr_setpgroup
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/posix_spawnattr_setpgroup.html}
+POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_setpgroup.html}
Gnulib module: posix_spawnattr_setpgroup