[observer] Correct documentation

Fix mistakes found by 'xmllint'.

5 files changed, 16 insertions, 25 deletions

diff --git a/lib/observer/doc/src/crashdump_ug.xml b/lib/observer/doc/src/crashdump_ug.xml
index 3cd97f2f18..4bb3628ab5 100644
--- a/lib/observer/doc/src/crashdump_ug.xml
+++ b/lib/observer/doc/src/crashdump_ug.xml
@@ -377,7 +377,6 @@
     <p>The <em>Memory</em> panel shows memory and allocator
     information. From the left hand menu you can select:</p>
 
-    <p>
       <list>
 
 	<item><em>Memory</em> <seealso
@@ -394,7 +393,6 @@
 	marker="erts:crash_dump#allocated_areas">More...</seealso></item>
 
       </list>
-    </p>
   </section>
 
   <section>
diff --git a/lib/observer/doc/src/notes.xml b/lib/observer/doc/src/notes.xml
index 5243f50e34..f0c87d865e 100644
--- a/lib/observer/doc/src/notes.xml
+++ b/lib/observer/doc/src/notes.xml
@@ -273,13 +273,12 @@
     <section><title>Improvements and New Features</title>
       <list>
         <item>
-          <p>
 	    <list> <item> The new Memory field from a crash dump is
 	    now presented by crashdump viewer, both in the process
 	    overview and in the process detail page. </item> <item> A
 	    summary of blocks- and carriers sizes is added to the
 	    allocator information page in the crashdump viewer.
-	    </item> </list></p>
+	    </item> </list>
           <p>
 	    Own Id: OTP-10604 Aux Id: kunagi-336 [247] </p>
         </item>
@@ -408,7 +407,6 @@
         <item>
           <p>
 	    The following bugs in <c>ttb</c> have been corrected:</p>
-          <p>
 	    <list> <item><c>ttb:tracer/2</c> would earlier crash when
 	    trying to set up tracing for a diskless node to wrap
 	    files, i.e. when option
@@ -421,7 +419,7 @@
 	    <c>{file,{local,Filename}}</c></item> <item>A deadlock
 	    would sometimes occur due to an information printout from
 	    the <c>ttb_control</c> process when <c>ttb</c> was
-	    stopped.</item> </list></p>
+	    stopped.</item> </list>
           <p>
 	    Own Id: OTP-9431</p>
         </item>
@@ -449,7 +447,6 @@
         <item>
           <p>
 	    The following new features are added to <c>ttb</c>:</p>
-          <p>
 	    <list> <item>A one-command trace setup is added,
 	    <c>ttb:start_trace/4</c>.</item> <item>The following new
 	    options are added to <c>ttb:tracer/2</c>: <list>
@@ -485,7 +482,7 @@
 	    <c>disable_sort</c> is added to <c>ttb:format/2</c>. When
 	    this option is used, trace messages from different logs
 	    are not merged according to timestamps, but just appended
-	    one log after the other. </item> </list></p>
+	    one log after the other. </item> </list>
           <p>
 	    Own Id: OTP-9403</p>
         </item>
@@ -493,7 +490,6 @@
           <p>
 	    The following non backwards compatible changes are done
 	    in <c>ttb</c>:</p>
-          <p>
 	    <list> <item> When setting up trace with ttb, the
 	    'timestamp' trace flag will now always be set. </item>
 	    <item> The 'fetch' option to ttb:stop/1 is removed since
@@ -509,7 +505,7 @@
 	    trace file, this is now changed so the handler state is
 	    passed not only from one trace message to the next in the
 	    same file, but also from one file to the next. </item>
-	    </list></p>
+	    </list>
           <p>
 	    *** POTENTIAL INCOMPATIBILITY ***</p>
           <p>
diff --git a/lib/observer/doc/src/observer_ug.xml b/lib/observer/doc/src/observer_ug.xml
index 8388cb6736..ff30d70913 100644
--- a/lib/observer/doc/src/observer_ug.xml
+++ b/lib/observer/doc/src/observer_ug.xml
@@ -105,7 +105,7 @@
     <note>
       <p><em>Reds</em> can be presented as accumulated values or as values since last update.</p>
     </note>
-    <p><c>Process info</c> open a detailed information window on the selected process.
+    <p><c>Process info</c> open a detailed information window on the selected process.</p>
     <taglist>
       <tag>Process Information</tag>
       <item>Shows the process information.</item>
@@ -127,7 +127,6 @@
       <c>rb</c> server will be stopped on the observed node when exiting or changing observed node.
       </p>
     </note>
-    </p>
     <p><c>Trace Processes</c> will add the selected process identifiers to the <c>Trace Overview</c> view and the
     node the processes reside on will be added as well.
     <c>Trace Named Processes</c> will add the registered name of processes. This can be useful
diff --git a/lib/observer/doc/src/ttb.xml b/lib/observer/doc/src/ttb.xml
index 0b064b51b8..0a50a20716 100644
--- a/lib/observer/doc/src/ttb.xml
+++ b/lib/observer/doc/src/ttb.xml
@@ -25,8 +25,7 @@
     </legalnotice>
 
     <title>ttb</title>
-    <prepared>Siri hansen</prepared>
-    <prepared>Bartlomiej Puzon</prepared>
+    <prepared>Siri hansen, Bartlomiej Puzon</prepared>
     <responsible></responsible>
     <docno>1</docno>
     <approved></approved>
@@ -60,17 +59,16 @@
         <p>This function is a shortcut allowing to start a trace with one command. Each
           tuple in <c>Patterns</c> is converted to list which is in turn passed to
           <c>ttb:tpl</c>.
-          The call:<code type="none">
+          The call:</p><code type="none">
 ttb:start_trace([Node, OtherNode],
 [{mod, foo, []}, {mod, bar, 2}],
 {all, call},
 [{file, File}, {handler,{fun myhandler/4, S}}])</code>
-          is equivalent to <code type="none">
+          <p>is equivalent to</p> <code type="none">
 ttb:start_trace([Node, OtherNode], [{file, File}, {handler,{fun myhandler/4, S}}]),
 ttb:tpl(mod, foo, []),
 ttb:tpl(mod, bar, 2, []),
 ttb:p(all, call)</code>
-        </p>
       </desc>
     </func>
     <func>
@@ -193,7 +191,7 @@ ttb:p(all, call)</code>
           (i.e. on diskless nodes), a custom module to handle autostart
           information storage and retrieval can be provided by specifying
           <c>ttb_autostart_module</c> environment variable for the <c>runtime_tools</c>
-          application. The module has to respond to the following API:
+          application. The module has to respond to the following API:</p>
           <taglist>
             <tag><c>write_config(Data) -> ok</c></tag>
             <item>Store the provided data for further retrieval. It is
@@ -207,7 +205,6 @@ ttb:p(all, call)</code>
               must return <c>{error, Error}</c>.
             </item>
           </taglist>
-        </p>
         <p>The <c>resume</c> option implies the default <c>FetchTimeout</c>, which is
           10 seconds</p>
       </desc>
@@ -272,17 +269,19 @@ ttb:p(all, call)</code>
           <item>Clear trace pattern on global function calls</item>
         </taglist>
         <p>With <c>tp</c> and <c>tpl</c> one of match specification shortcuts
-          may be used (example: <c>ttb:tp(foo_module, caller)</c>). The shortcuts are:
+          may be used (example: <c>ttb:tp(foo_module, caller)</c>). The shortcuts are:</p>
           <taglist>
+	    <tag/>
             <item><c>return</c> - for <c>[{'_',[],[{return_trace}]}]</c>
               (report the return value)</item>
+	    <tag/>
             <item><c>caller</c> - for <c>[{'_',[],[{message,{caller}}]}]</c>
               (report the calling function)</item>
+	    <tag/>
             <item><c>{codestr, Str}</c> - for <c>dbg:fun2ms/1</c> arguments
               passed as strings (example: <c>"fun(_) -> return_trace() end"</c>)
             </item>
           </taglist>
-        </p>
       </desc>
     </func>
     <func>
diff --git a/lib/observer/doc/src/ttb_ug.xml b/lib/observer/doc/src/ttb_ug.xml
index ba8c997133..e2a28d67d0 100644
--- a/lib/observer/doc/src/ttb_ug.xml
+++ b/lib/observer/doc/src/ttb_ug.xml
@@ -320,7 +320,7 @@ do_print(Out,{trace_ts,P,return_from,{M,F,A},R,Ts},N) ->
 </code>
         </section>
         <section>
-          <label>Overload protection</label>
+          <title>Overload protection</title>
           <p>When tracing live systems, special care needs to be always taken
             not to overload a node with too heavy tracing. <c>ttb</c> provides
             the <c>overload</c> option to help to address the problem.</p>
@@ -747,7 +747,7 @@ f3() ->
       of the <c>ttb</c> for setting trace flags on processes and trace
       patterns for call trace, i.e. the functions <c>p</c>, <c>tp</c>,
       <c>tpl</c>, <c>ctp</c>, <c>ctpl</c> and <c>ctpg</c>. There are only
-      two things added by <c>ttb</c> for these functions:
+      two things added by <c>ttb</c> for these functions:</p>
       <list type="bulleted">
         <item>all calls  are stored in the history buffer and can be
           recalled and stored in a configuration file. This makes it
@@ -756,9 +756,8 @@ f3() ->
           typing when using <c>ttb</c> from the erlang shell;</item>
         <item>shortcuts are provided for the most common match
           specifications (in order not to force the user to use
-          <c>dbg:fun2ms</c> continually</item>).
+          <c>dbg:fun2ms</c> continually).</item>
       </list>
-      </p>
     <p>Use <c>list_history/0</c> to see the content of the history
       buffer, and <c>run_history/1</c> to re-execute one of the entries.
       </p>