man: add version info

This tries to add information about when each option was added. It goes
back to version 183.

The version info is included from a separate file to allow generating it,
which would allow more control on the formatting of the final output.

man/systemd-cryptsetup-generator.xml

@@ -53,7 +53,9 @@
         <listitem><para>Takes a boolean argument. Defaults to <literal>yes</literal>. If
         <literal>no</literal>, disables the generator entirely. <varname>rd.luks=</varname> is honored only
         in the initrd while <varname>luks=</varname> is honored by both the main system and in the initrd.
-        </para></listitem>
+        </para>
+
+        <xi:include href="version-info.xml" xpointer="v186"/></listitem>
       </varlistentry>
 
       <varlistentry>
@@ -65,7 +67,9 @@
         <filename>/etc/crypttab</filename> (<varname>luks.uuid=</varname> will still work however).
         <varname>rd.luks.crypttab=</varname> is honored only in initrd while
         <varname>luks.crypttab=</varname> is honored by both the main system and in the initrd.
-        </para></listitem>
+        </para>
+
+        <xi:include href="version-info.xml" xpointer="v186"/></listitem>
       </varlistentry>
 
       <varlistentry>
@@ -84,6 +88,8 @@
 
         <para>If <filename>/etc/crypttab</filename> exists, only those UUIDs specified on the kernel command
         line will be activated in the initrd or the real root.</para>
+
+        <xi:include href="version-info.xml" xpointer="v186"/>
         </listitem>
       </varlistentry>
 
@@ -103,6 +109,8 @@
 
         <para><varname>rd.luks.name=</varname> is honored only in the initrd, while
         <varname>luks.name=</varname> is honored by both the main system and in the initrd.</para>
+
+        <xi:include href="version-info.xml" xpointer="v218"/>
         </listitem>
       </varlistentry>
 
@@ -131,6 +139,8 @@
 
         <para><varname>rd.luks.data=</varname> is honored only in the initrd, while
         <varname>luks.data=</varname> is honored by both the main system and in the initrd.</para>
+
+        <xi:include href="version-info.xml" xpointer="v247"/>
         </listitem>
       </varlistentry>
 
@@ -167,6 +177,8 @@
 
         <para><varname>rd.luks.key=</varname> is honored only in the initrd, while
         <varname>luks.key=</varname> is honored by both the main system and in the initrd.</para>
+
+        <xi:include href="version-info.xml" xpointer="v202"/>
         </listitem>
       </varlistentry>
 
@@ -205,6 +217,8 @@
         <para><varname>rd.luks.options=</varname> is honored only by initial
         RAM disk (initrd) while <varname>luks.options=</varname> is
         honored by both the main system and in the initrd.</para>
+
+        <xi:include href="version-info.xml" xpointer="v208"/>
         </listitem>
       </varlistentry>
     </variablelist>