man: add "quick-help" to sysusers.d synopsis

We have that in tmpfiles.d and it is makes looking up the syntax
very easy.

While at it, add an example for "r" and use the underscrore as prefix
as described in the text.

diff --git a/man/sysusers.d.xml b/man/sysusers.d.xml
index 72d8f623991131e8d71730471bd014569ceb7759..c632e8713e97d9690d54979d2d32ba79ca670966 100644 (file)
--- a/man/sysusers.d.xml
+++ b/man/sysusers.d.xml
@@ -25,6 +25,16 @@
     <para><filename>/etc/sysusers.d/*.conf</filename></para>
     <para><filename>/run/sysusers.d/*.conf</filename></para>
     <para><filename>/usr/lib/sysusers.d/*.conf</filename></para>
+
+    <programlisting>
+#Type Name       ID                   GECOS                 Home directory Shell
+u     user_name  uid                  "User Description"    /path/to/shell
+u     user_name  uid:gid              -                     -
+u     user_name  /file/owned/by/user  -                     -
+g     group_name gid                  "Group Description"
+g     group_name /file/owned/by/group -
+m     user_name  group_name
+r     -          lowest-highest</programlisting>
   </refsynopsisdiv>
 
   <refsect1>
@@ -81,11 +91,13 @@
 
     <programlisting>#Type Name     ID             GECOS                 Home directory Shell
 u     httpd    404            "HTTP User"
-u     authd    /usr/bin/authd "Authorization user"
+u     _authd   /usr/bin/authd "Authorization user"
 u     postgres -              "Postgresql Database" /var/lib/pgsql /usr/libexec/postgresdb
 g     input    -              -
-m     authd    input
-u     root     0              "Superuser"           /root          /bin/zsh</programlisting>
+m     _authd   input
+u     root     0              "Superuser"           /root          /bin/zsh
+r     -        500-900
+</programlisting>
 
     <para>Empty lines and lines beginning with the <literal>#</literal> character are ignored, and may be used for
     commenting.</para>
@@ -109,7 +121,7 @@ u     root     0              "Superuser"           /root          /bin/zsh</pro
           <term><varname>g</varname></term>
           <listitem><para>Create a system group of the specified name
           should it not exist yet. Note that <varname>u</varname>
-          implicitly create a matching group. The group will be
+          implicitly creates a matching group. The group will be
           created with no password set.</para></listitem>
         </varlistentry>