Add extension point implementation examples

This copies the existing example extensions from the documentation into
the extension point declaration itself. This way the examples are
available directly when creating the extension in PDE.

Author: Bananeweizen

net.sf.eclipsecs.core/schema/configurations.exsd

@@ -123,6 +123,27 @@ The all-time default configuration "Sun Checks" is defined with defaul
       </documentation>
    </annotation>
 
+   <annotation>
+      <appinfo>
+         <meta.section type="examples"/>
+      </appinfo>
+      <documentation>
+         The following is an example of using the &lt;samp&gt;configurations&lt;/samp&gt; extension point.
+
+&lt;pre&gt;
+&lt;extension
+    id=&quot;checkstyle.CheckConfiguration&quot;
+    point=&quot;net.sf.eclipsecs.core.configurations&quot;&gt;
+    &lt;check-configuration
+        name=&quot;Sample Builtin Checks&quot;
+        location=&quot;sample_checks.xml&quot;
+        description=&quot;Sample Built-in configuration&quot;&gt;
+        &lt;property name=&quot;maxLineLength&quot; value=&quot;50&quot;/&gt;
+     &lt;/check-configuration&gt;
+&lt;/extension&gt;
+&lt;/pre&gt;
+      </documentation>
+   </annotation>
 
 
 

net.sf.eclipsecs.core/schema/filters.exsd

@@ -129,6 +129,26 @@ The filter class must implement <code>net.sf.eclipsecs.core.filters.IFilte
       </documentation>
    </annotation>
 
+   <annotation>
+      <appinfo>
+         <meta.section type="examples"/>
+      </appinfo>
+      <documentation>
+         The following is an example of using the &lt;samp&gt;filters&lt;/samp&gt; extension point.
+
+&lt;pre&gt;
+&lt;extension
+    id=&quot;checkstyle.CheckstyleFilters&quot;
+    point=&quot;net.sf.eclipsecs.core.filters&quot;&gt;
+    &lt;filter
+        name=&quot;Sample Filter&quot;
+        internal-name=&quot;SampleFilter&quot;
+        description=&quot;Sample Filter&quot;
+        class=&quot;net.sf.eclipsecs.sample.filter.SampleFilter&quot;/&gt;
+&lt;/extension&gt;
+&lt;/pre&gt;
+      </documentation>
+   </annotation>