1 files changed, 53 insertions, 29 deletions

diff --git a/lib/et/doc/src/et_intro.xml b/lib/et/doc/src/et_intro.xml
index 8dfa678b11..0c5fb14d55 100644
--- a/lib/et/doc/src/et_intro.xml
+++ b/lib/et/doc/src/et_intro.xml
@@ -4,7 +4,7 @@
 <chapter>
   <header>
     <copyright>
-      <year>2002</year><year>2009</year>
+      <year>2002</year><year>2010</year>
       <holder>Ericsson AB. All Rights Reserved.</holder>
     </copyright>
     <legalnotice>
@@ -13,12 +13,12 @@
       compliance with the License. You should have received a copy of the
       Erlang Public License along with this software. If not, it can be
       retrieved online at http://www.erlang.org/.
-    
+
       Software distributed under the License is distributed on an "AS IS"
       basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
       the License for the specific language governing rights and limitations
       under the License.
-    
+
     </legalnotice>
 
     <title>Introduction</title>
@@ -31,65 +31,89 @@
     <rev>%VSN%</rev>
     <file>et_intro.xml</file>
   </header>
-  <p>The Event Tracer (ET) uses the built-in trace mechanism in Erlang
-    and provides tools for collection and graphical viewing of trace
-    data.</p>
-  <p>The viewed trace data is normally collected from Erlang trace ports
-    or files.</p>
+
+  <p>The <c>Event Tracer (ET)</c> uses the built-in trace mechanism in
+  Erlang and provides tools for collection and graphical viewing of
+  trace data.</p>
+
+  <p>The viewed trace data is normally collected from Erlang trace
+  ports or files.</p>
 
   <section>
-    <title>Scope and Purpose</title>
-    <p>This manual describes the Event Tracer (ET) application, as a component
-      of the Erlang/Open Telecom Platform development environment. It
-      is assumed that the reader is familiar with the Erlang
-      Development Environment, which is described in a separate User's
-      Guide.</p>
+    <title>Scope and Purpose</title>'
+    
+    <p>This manual describes the <c>Event Tracer (ET)</c> application,
+    as a component of the Erlang/Open Telecom Platform development
+    environment. It is assumed that the reader is familiar with the
+    Erlang Development Environment, which is described in a separate
+    User's Guide.</p>
   </section>
 
   <section>
     <title>Prerequisites</title>
+
     <p>The following prerequisites is required for understanding the
-      material in the Event Tracer (ET) User's Guide:</p>
+    material in the <c>Event Tracer (ET)</c> User's Guide:</p>
+
     <list type="bulleted">
       <item>
-        <p>familiarity with the Erlang system and Erlang programming in
-          general and the especially the art of Erlang tracing.</p>
+        <p>familiarity with the Erlang system and Erlang programming
+        in general and the especially the art of Erlang tracing.</p>
       </item>
     </list>
-    <p>The application requires Erlang/OTP release R7B or later.</p>
+
+    <p>The application requires Erlang/OTP release R13BB or later. If
+    you use the old <c>GS</c> based GUI it does suffice with R7B.</p>
+
   </section>
 
   <section>
     <title>About This Manual</title>
-    <p>In addition to this introductory chapter, the Megaco User's
-      Guide contains the following chapters:</p>
+
+    <p>In addition to this introductory chapter, the <c>Event
+    Tracers</c> User's Guide contains the following chapters:</p>
+
     <list type="bulleted">
       <item>
-        <p>Chapter 2: "Usage" describes the architecture
-          and typical usage of the application.</p>
+        <p>Chapter 2: "Tutorial" provides a walk-through of the
+        various parts of the application. The tutorial is based on
+        <c>Jayson Vantuyl's</c> article
+        <c>http://souja.net/2009/04/making-sense-of-erlangs-event-tracer.html</c>.</p>
+      </item>
+
+      <item>
+        <p>Chapter 3: "Description" describes the architecture and typical
+        usage of the application.</p>
       </item>
+
       <item>
-        <p>Chapter 3: "Examples" gives some usage examples</p>
+        <p>Chapter 4: "Advanced examples" gives some usage examples</p>
       </item>
     </list>
+
   </section>
 
   <section>
     <title>Where to Find More Information</title>
+
     <p>Refer to the following documentation for more information about
-      Event Tracer (ET) and about the Erlang/OTP development system:</p>
+    <c>Event Tracer (ET)</c> and about the Erlang/OTP development system:</p>
+
     <list type="bulleted">
       <item>
         <p>the Reference Manual of the <c>Event Tracer (ET)</c>.</p>
       </item>
+
       <item>
-        <p>documentation of basic tracing in <c>erlang:trace/4</c> and 
-          <c>erlang:trace_pattern/3</c> and then the utilities derived from
-          these: <c>dbg</c>, <c>observer</c> and <c>et</c>.</p>
+        <p>documentation of basic tracing in <c>erlang:trace/4</c> and
+        <c>erlang:trace_pattern/3</c> and then the utilities derived
+        from these: <c>dbg</c>, <c>observer</c>, <c>invisio</c> and
+        <c>et</c>.</p>
       </item>
+
       <item>
-        <p>Concurrent Programming in Erlang, 2nd Edition (1996),
-          Prentice-Hall, ISBN 0-13-508301-X.</p>
+        <p>Programming Erlang: Software for a Concurrent World by Joe
+        Armstrong; ISBN: 978-1-93435-600-5</p>
       </item>
     </list>
   </section>