<constant>AF_UNIX</constant> socket referenced in the
<varname>$NOTIFY_SOCKET</varname> environment
variable. If the first character of
- <varname>$NOTIFY_SOCKET</varname> is @ the string is
+ <varname>$NOTIFY_SOCKET</varname> is <literal>@</literal> the string is
understood as Linux abstract namespace socket. The
datagram is accompanied by the process credentials of
the sending daemon, using SCM_CREDENTIALS.</para>