rpc.html.in: Kill useless spaces in <pre/>

The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

docs/internals/rpc.html.in

@@ -210,13 +210,13 @@
     </p>
 
     <pre>
-          +--+-----------------------+-----------+
-   C --&gt;  |38| 8 | 1 | 3 | 0 | 1 | 0 | .o.oOo.o. |  --&gt; S  (call)
-          +--+-----------------------+-----------+
+       +--+-----------------------+-----------+
+C --&gt;  |38| 8 | 1 | 3 | 0 | 1 | 0 | .o.oOo.o. |  --&gt; S  (call)
+       +--+-----------------------+-----------+
 
-          +--+-----------------------+--------+
-   C &lt;--  |32| 8 | 1 | 3 | 1 | 1 | 0 | .o.oOo |  &lt;-- S  (reply)
-          +--+-----------------------+--------+
+       +--+-----------------------+--------+
+C &lt;--  |32| 8 | 1 | 3 | 1 | 1 | 0 | .o.oOo |  &lt;-- S  (reply)
+       +--+-----------------------+--------+
     </pre>
 
     <h4><a name="wireexamplescallerr">Method call with error</a></h4>
@@ -226,13 +226,13 @@
     </p>
 
     <pre>
-          +--+-----------------------+-----------+
-   C --&gt;  |38| 8 | 1 | 3 | 0 | 1 | 0 | .o.oOo.o. |  --&gt; S   (call)
-          +--+-----------------------+-----------+
+       +--+-----------------------+-----------+
+C --&gt;  |38| 8 | 1 | 3 | 0 | 1 | 0 | .o.oOo.o. |  --&gt; S   (call)
+       +--+-----------------------+-----------+
 
-          +--+-----------------------+--------------------------+
-   C &lt;--  |48| 8 | 1 | 3 | 2 | 1 | 0 | .o.oOo.o.oOo.o.oOo.o.oOo |  &lt;-- S  (error)
-          +--+-----------------------+--------------------------+
+       +--+-----------------------+--------------------------+
+C &lt;--  |48| 8 | 1 | 3 | 2 | 1 | 0 | .o.oOo.o.oOo.o.oOo.o.oOo |  &lt;-- S  (error)
+       +--+-----------------------+--------------------------+
     </pre>
 
     <h4><a name="wireexamplescallup">Method call with upload stream</a></h4>
@@ -243,33 +243,33 @@
     </p>
 
     <pre>
-          +--+-----------------------+-----------+
-   C --&gt;  |38| 8 | 1 | 3 | 0 | 1 | 0 | .o.oOo.o. |  --&gt; S  (call)
-          +--+-----------------------+-----------+
-
-          +--+-----------------------+--------+
-   C &lt;--  |32| 8 | 1 | 3 | 1 | 1 | 0 | .o.oOo |  &lt;-- S  (reply)
-          +--+-----------------------+--------+
-
-          +--+-----------------------+-------------....-------+
-   C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
-          +--+-----------------------+-------------....-------+
-          +--+-----------------------+-------------....-------+
-   C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
-          +--+-----------------------+-------------....-------+
-          +--+-----------------------+-------------....-------+
-   C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
-          +--+-----------------------+-------------....-------+
-          ...
-          +--+-----------------------+-------------....-------+
-   C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
-          +--+-----------------------+-------------....-------+
-          +--+-----------------------+
-   C --&gt;  |24| 8 | 1 | 3 | 3 | 1 | 0 | --&gt; S  (stream finish)
-          +--+-----------------------+
-          +--+-----------------------+
-   C &lt;--  |24| 8 | 1 | 3 | 3 | 1 | 0 | &lt;-- S  (stream finish)
-          +--+-----------------------+
+       +--+-----------------------+-----------+
+C --&gt;  |38| 8 | 1 | 3 | 0 | 1 | 0 | .o.oOo.o. |  --&gt; S  (call)
+       +--+-----------------------+-----------+
+
+       +--+-----------------------+--------+
+C &lt;--  |32| 8 | 1 | 3 | 1 | 1 | 0 | .o.oOo |  &lt;-- S  (reply)
+       +--+-----------------------+--------+
+
+       +--+-----------------------+-------------....-------+
+C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
+       +--+-----------------------+-------------....-------+
+       +--+-----------------------+-------------....-------+
+C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
+       +--+-----------------------+-------------....-------+
+       +--+-----------------------+-------------....-------+
+C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
+       +--+-----------------------+-------------....-------+
+       ...
+       +--+-----------------------+-------------....-------+
+C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
+       +--+-----------------------+-------------....-------+
+       +--+-----------------------+
+C --&gt;  |24| 8 | 1 | 3 | 3 | 1 | 0 | --&gt; S  (stream finish)
+       +--+-----------------------+
+       +--+-----------------------+
+C &lt;--  |24| 8 | 1 | 3 | 3 | 1 | 0 | &lt;-- S  (stream finish)
+       +--+-----------------------+
     </pre>
 
     <h4><a name="wireexamplescallbi">Method call bidirectional stream</a></h4>
@@ -280,80 +280,80 @@
     </p>
 
     <pre>
-          +--+-----------------------+-----------+
-   C --&gt;  |38| 8 | 1 | 3 | 0 | 1 | 0 | .o.oOo.o. |  --&gt; S  (call)
-          +--+-----------------------+-----------+
-
-          +--+-----------------------+--------+
-   C &lt;--  |32| 8 | 1 | 3 | 1 | 1 | 0 | .o.oOo |  &lt;-- S  (reply)
-          +--+-----------------------+--------+
-
-          +--+-----------------------+-------------....-------+
-   C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
-          +--+-----------------------+-------------....-------+
-          +--+-----------------------+-------------....-------+
-   C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
-          +--+-----------------------+-------------....-------+
-          +--+-----------------------+-------------....-------+
-   C &lt;--  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  &lt;-- S  (stream data down)
-          +--+-----------------------+-------------....-------+
-          +--+-----------------------+-------------....-------+
-   C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
-          +--+-----------------------+-------------....-------+
-          +--+-----------------------+-------------....-------+
-   C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
-          +--+-----------------------+-------------....-------+
-          +--+-----------------------+-------------....-------+
-   C &lt;--  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  &lt;-- S  (stream data down)
-          +--+-----------------------+-------------....-------+
-          +--+-----------------------+-------------....-------+
-   C &lt;--  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  &lt;-- S  (stream data down)
-          +--+-----------------------+-------------....-------+
-          +--+-----------------------+-------------....-------+
-   C &lt;--  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  &lt;-- S  (stream data down)
-          +--+-----------------------+-------------....-------+
-          +--+-----------------------+-------------....-------+
-   C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
-          +--+-----------------------+-------------....-------+
-          ..
-          +--+-----------------------+-------------....-------+
-   C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
-          +--+-----------------------+-------------....-------+
-          +--+-----------------------+
-   C --&gt;  |24| 8 | 1 | 3 | 3 | 1 | 0 | --&gt; S  (stream finish)
-          +--+-----------------------+
-          +--+-----------------------+
-   C &lt;--  |24| 8 | 1 | 3 | 3 | 1 | 0 | &lt;-- S  (stream finish)
-          +--+-----------------------+
+       +--+-----------------------+-----------+
+C --&gt;  |38| 8 | 1 | 3 | 0 | 1 | 0 | .o.oOo.o. |  --&gt; S  (call)
+       +--+-----------------------+-----------+
+
+       +--+-----------------------+--------+
+C &lt;--  |32| 8 | 1 | 3 | 1 | 1 | 0 | .o.oOo |  &lt;-- S  (reply)
+       +--+-----------------------+--------+
+
+       +--+-----------------------+-------------....-------+
+C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
+       +--+-----------------------+-------------....-------+
+       +--+-----------------------+-------------....-------+
+C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
+       +--+-----------------------+-------------....-------+
+       +--+-----------------------+-------------....-------+
+C &lt;--  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  &lt;-- S  (stream data down)
+       +--+-----------------------+-------------....-------+
+       +--+-----------------------+-------------....-------+
+C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
+       +--+-----------------------+-------------....-------+
+       +--+-----------------------+-------------....-------+
+C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
+       +--+-----------------------+-------------....-------+
+       +--+-----------------------+-------------....-------+
+C &lt;--  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  &lt;-- S  (stream data down)
+       +--+-----------------------+-------------....-------+
+       +--+-----------------------+-------------....-------+
+C &lt;--  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  &lt;-- S  (stream data down)
+       +--+-----------------------+-------------....-------+
+       +--+-----------------------+-------------....-------+
+C &lt;--  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  &lt;-- S  (stream data down)
+       +--+-----------------------+-------------....-------+
+       +--+-----------------------+-------------....-------+
+C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
+       +--+-----------------------+-------------....-------+
+       ..
+       +--+-----------------------+-------------....-------+
+C --&gt;  |38| 8 | 1 | 3 | 3 | 1 | 2 | .o.oOo.o.oOo....o.oOo. |  --&gt; S  (stream data up)
+       +--+-----------------------+-------------....-------+
+       +--+-----------------------+
+C --&gt;  |24| 8 | 1 | 3 | 3 | 1 | 0 | --&gt; S  (stream finish)
+       +--+-----------------------+
+       +--+-----------------------+
+C &lt;--  |24| 8 | 1 | 3 | 3 | 1 | 0 | &lt;-- S  (stream finish)
+       +--+-----------------------+
     </pre>
 
 
     <h4><a name="wireexamplescallmany">Method calls overlapping</a></h4>
     <pre>
-          +--+-----------------------+-----------+
-   C --&gt;  |38| 8 | 1 | 3 | 0 | 1 | 0 | .o.oOo.o. |  --&gt; S  (call 1)
-          +--+-----------------------+-----------+
-          +--+-----------------------+-----------+
-   C --&gt;  |38| 8 | 1 | 3 | 0 | 2 | 0 | .o.oOo.o. |  --&gt; S  (call 2)
-          +--+-----------------------+-----------+
-          +--+-----------------------+--------+
-   C &lt;--  |32| 8 | 1 | 3 | 1 | 2 | 0 | .o.oOo |  &lt;-- S  (reply 2)
-          +--+-----------------------+--------+
-          +--+-----------------------+-----------+
-   C --&gt;  |38| 8 | 1 | 3 | 0 | 3 | 0 | .o.oOo.o. |  --&gt; S  (call 3)
-          +--+-----------------------+-----------+
-          +--+-----------------------+--------+
-   C &lt;--  |32| 8 | 1 | 3 | 1 | 3 | 0 | .o.oOo |  &lt;-- S  (reply 3)
-          +--+-----------------------+--------+
-          +--+-----------------------+-----------+
-   C --&gt;  |38| 8 | 1 | 3 | 0 | 4 | 0 | .o.oOo.o. |  --&gt; S  (call 4)
-          +--+-----------------------+-----------+
-          +--+-----------------------+--------+
-   C &lt;--  |32| 8 | 1 | 3 | 1 | 1 | 0 | .o.oOo |  &lt;-- S  (reply 1)
-          +--+-----------------------+--------+
-          +--+-----------------------+--------+
-   C &lt;--  |32| 8 | 1 | 3 | 1 | 4 | 0 | .o.oOo |  &lt;-- S  (reply 4)
-          +--+-----------------------+--------+
+       +--+-----------------------+-----------+
+C --&gt;  |38| 8 | 1 | 3 | 0 | 1 | 0 | .o.oOo.o. |  --&gt; S  (call 1)
+       +--+-----------------------+-----------+
+       +--+-----------------------+-----------+
+C --&gt;  |38| 8 | 1 | 3 | 0 | 2 | 0 | .o.oOo.o. |  --&gt; S  (call 2)
+       +--+-----------------------+-----------+
+       +--+-----------------------+--------+
+C &lt;--  |32| 8 | 1 | 3 | 1 | 2 | 0 | .o.oOo |  &lt;-- S  (reply 2)
+       +--+-----------------------+--------+
+       +--+-----------------------+-----------+
+C --&gt;  |38| 8 | 1 | 3 | 0 | 3 | 0 | .o.oOo.o. |  --&gt; S  (call 3)
+       +--+-----------------------+-----------+
+       +--+-----------------------+--------+
+C &lt;--  |32| 8 | 1 | 3 | 1 | 3 | 0 | .o.oOo |  &lt;-- S  (reply 3)
+       +--+-----------------------+--------+
+       +--+-----------------------+-----------+
+C --&gt;  |38| 8 | 1 | 3 | 0 | 4 | 0 | .o.oOo.o. |  --&gt; S  (call 4)
+       +--+-----------------------+-----------+
+       +--+-----------------------+--------+
+C &lt;--  |32| 8 | 1 | 3 | 1 | 1 | 0 | .o.oOo |  &lt;-- S  (reply 1)
+       +--+-----------------------+--------+
+       +--+-----------------------+--------+
+C &lt;--  |32| 8 | 1 | 3 | 1 | 4 | 0 | .o.oOo |  &lt;-- S  (reply 4)
+       +--+-----------------------+--------+
     </pre>
 
     <h4><a name="wireexamplescallfd">Method call with passed FD</a></h4>
@@ -368,13 +368,13 @@
     </p>
 
     <pre>
-          +--+-----------------------+---------------+-------+
-   C --&gt;  |44| 8 | 1 | 3 | 0 | 1 | 0 | 2 | .o.oOo.o. | 0 | 0 |  --&gt; S  (call)
-          +--+-----------------------+---------------+-------+
+       +--+-----------------------+---------------+-------+
+C --&gt;  |44| 8 | 1 | 3 | 0 | 1 | 0 | 2 | .o.oOo.o. | 0 | 0 |  --&gt; S  (call)
+       +--+-----------------------+---------------+-------+
 
-          +--+-----------------------+--------+
-   C &lt;--  |32| 8 | 1 | 3 | 1 | 1 | 0 | .o.oOo |  &lt;-- S  (reply)
-          +--+-----------------------+--------+
+       +--+-----------------------+--------+
+C &lt;--  |32| 8 | 1 | 3 | 1 | 1 | 0 | .o.oOo |  &lt;-- S  (reply)
+       +--+-----------------------+--------+
     </pre>