(formatted as decimal string),
the identifier string
(i.e. "tag"), and the client
- PID.</para>
+ PID. (Note that the tag is
+ usually derived from glibc's
+ <varname>program_invocation_short_name</varname>
+ variable, see <citerefentry><refentrytitle>program_invocation_short_name</refentrytitle><manvolnum>3</manvolnum></citerefentry>.)</para>
</listitem>
</varlistentry>