fix small apt.8.xml issues

doc/apt-verbatim.ent

@@ -39,6 +39,12 @@
   </citerefentry>"
 >
 
+<!ENTITY apt "<citerefentry>
+    <refentrytitle><command>apt</command></refentrytitle>
+    <manvolnum>8</manvolnum>
+  </citerefentry>"
+>
+
 <!ENTITY apt-preferences "<citerefentry>
     <refentrytitle><command>apt_preferences</command></refentrytitle>
     <manvolnum>5</manvolnum>
@@ -259,9 +265,11 @@
 		<arg choice='plain'>search</arg>
 		<arg choice='plain'>show</arg>
 		<arg choice='plain'>update</arg>
-		<arg choice='plain'>upgrade</arg>
 		<arg choice='plain'>install &synopsis-arg-pkgver;</arg>
 		<arg choice='plain'>remove &synopsis-arg-pkg;</arg>
+		<arg choice='plain'>upgrade</arg>
+		<arg choice='plain'>full-upgrade</arg>
+		<arg choice='plain'>edit-sources</arg>
 		&synopsis-help;
 	</group>
 </cmdsynopsis></refsynopsisdiv>">

doc/apt.8.xml

@@ -45,10 +45,10 @@
    <variablelist>
      <varlistentry><term><option>list</option></term>
      <listitem><para><literal>list</literal> is used to
-     display a list of packages. It supports shell pattern for matching
+     display a list of packages. It supports shell pattern for matching 
      package names and the following options:
-       <option>--installed</option>
-       <option>--upgradable</option>
+       <option>--installed</option>, 
+       <option>--upgradable</option>, 
        <option>--all-versions</option>
      are supported.
      </para></listitem>
@@ -172,7 +172,7 @@
  </refsect1>
 
  <refsect1><title>See Also</title>
-   <para>&apt-get; &apt-cache;, &sources-list;,
+   <para>&apt-get;, &apt-cache;, &sources-list;,
    &apt-conf;, &apt-config;, 
    The APT User's guide in &guidesdir;, &apt-preferences;, the APT Howto.</para>
  </refsect1>