avoid syntax color when not useful

src/site/apt/examples/adding-filtering-webresources.apt.vm

@@ -64,7 +64,7 @@ Adding and Filtering External Web Resources
 
  Using our sample project in the {{{../usage.html}usage section}} with an added external resource, like this:
 
-+----------+
+----------
  .
  |-- pom.xml
  |-- resource2
@@ -87,7 +87,7 @@ Adding and Filtering External Web Resources
              |-- index.jsp
              `-- jsp
                  `-- websource.jsp
-+----------+
+----------
 
  would end up in the WAR as:
 
@@ -228,7 +228,7 @@ documentedproject-1.0-SNAPSHOT.war
   Using our example above, we can also configure filters for our resources.
   We will add a hypothetical <<<configurations>>> directory to our project:
 
-+----------+
+----------
  .
  |-- configurations
  |   |-- config.cfg
@@ -255,7 +255,7 @@ documentedproject-1.0-SNAPSHOT.war
              |-- index.jsp
              `-- jsp
                  `-- websource.jsp
-+----------+
+----------
 
   To prevent corrupting your binary files when filtering is enabled, you can configure a list of file extensions that
   will not be filtered.
@@ -307,7 +307,7 @@ interpolated_property=some_config_value
 
  The resulting WAR would be:
 
-+----------+
+----------
 documentedproject-1.0-SNAPSHOT.war
  |-- META-INF
  |   |-- MANIFEST.MF
@@ -332,7 +332,7 @@ documentedproject-1.0-SNAPSHOT.war
  |-- index.jsp
  `-- jsp
      `-- websource.jsp
-+----------+
+----------
 
  and the content of <<<config.cfg>>> would be:
 
@@ -379,7 +379,7 @@ documentedproject-1.0-SNAPSHOT.war
 
  Using the sample project the resulting WAR would look like this:
 
-+----------+
+----------
 documentedproject-1.0-SNAPSHOT.war
  |-- META-INF
  |   |-- MANIFEST.MF
@@ -404,4 +404,4 @@ documentedproject-1.0-SNAPSHOT.war
  |-- index.jsp
  `-- jsp
      `-- websource.jsp
-+----------+
+----------

src/site/apt/examples/skinny-wars.apt.vm

@@ -91,15 +91,15 @@ Creating Skinny WARs
 
  Your EAR will contain something like this:
 
-+-----------------+
+-----------------
  .
  |-- META-INF
  |   `-- application.xml
  |-- lib
  |   `-- shared-jar-1.0.0.jar
  |-- war1-1.0.0.war
  `-- war2-1.0.0.war
-+-----------------+
+-----------------
 
 
 * Alternatives

src/site/apt/index.apt.vm

@@ -80,7 +80,7 @@ ${project.name}
   Of course, patches are welcome, too. Contributors can check out the project from 
   our {{{./scm.html}source repository}} and will find supplementary 
   information in the
-  {{{http://maven.apache.org/guides/development/guide-helping.html}guide to helping with Maven}}.
+  {{{/guides/development/guide-helping.html}guide to helping with Maven}}.
 
 * Examples
 
@@ -103,6 +103,6 @@ ${project.name}
 
 * Related links
 
-  * {{{http://maven.apache.org/guides/mini/guide-archive-configuration.html}Exclusion of Maven Descriptors}}
+  * {{{/guides/mini/guide-archive-configuration.html}Exclusion of Maven Descriptors}}
 
   []

src/site/apt/overlays.apt.vm

@@ -38,7 +38,7 @@ Overlays
 
   To demonstrate, given this structure for the project <<<documentedproject>>>:
 
-+-----------------+
+-----------------
  |-- pom.xml
  `-- src
      `-- main
@@ -57,7 +57,7 @@ Overlays
              |-- index.jsp
              `-- jsp
                  `-- websource.jsp
-+-----------------+
+-----------------
 
  The project depends on another WAR artifact, <<<documentedprojectdependency-1.0-SNAPSHOT.war>>>,
  which is declared as a dependency in the project's <<<pom.xml>>>:
@@ -79,7 +79,7 @@ Overlays
 
   The structure for the <<<documentedprojectdependency>>> WAR file looks like this:
 
-+-----------------+
+-----------------
 documentedprojectdependency-1.0-SNAPSHOT.war
  |-- META-INF
  |   |-- MANIFEST.MF
@@ -98,11 +98,11 @@ documentedprojectdependency-1.0-SNAPSHOT.war
  |   |       `-- sampleimage-dependency.jpg
  |   `-- web.xml
  `-- index-dependency.jsp
-+-----------------+
+-----------------
 
  The resulting WAR would end up like this:
 
-+-----------------+
+-----------------
  |-- META-INF
  |   |-- MANIFEST.MF
  |   `-- maven
@@ -125,7 +125,7 @@ documentedprojectdependency-1.0-SNAPSHOT.war
  |-- index.jsp
  `-- jsp
      `-- websource.jsp
-+-----------------+
+-----------------
 
   The <<<web.xml>>> file above comes from <<<documentedproject>>>.
 

src/site/apt/usage.apt.vm

@@ -70,7 +70,7 @@ Usage
 
  The project's structure looks like this:
 
-+----------+
+----------
  |-- pom.xml
  `-- src
      `-- main
@@ -88,23 +88,23 @@ Usage
              |-- index.jsp
              `-- jsp
                  `-- websource.jsp
-+----------+
+----------
 
  Invoking
 
-+----------+
+----------
 mvn package
-+----------+
+----------
 
  or
 
-+----------+
+----------
 mvn compile war:war
-+----------+
+----------
 
  will generate the WAR file <<<target/documentedproject-1.0-SNAPSHOT.war>>>. Here are the contents of that WAR file:
 
-+----------+
+----------
 documentedproject-1.0-SNAPSHOT.war
   |-- META-INF
   |   |-- MANIFEST.MF
@@ -125,22 +125,22 @@ documentedproject-1.0-SNAPSHOT.war
   |-- index.jsp
   `-- jsp
       `-- websource.jsp
-+----------+
+----------
 
 *Invocation of <<<war:exploded>>> goal
 
  To speed up testing during the developement phase, <<<war:explode>>> can be used to generate the WAR in exploded
  form.
  Use the same project as above and invoke:
 
-+----------+
+----------
 mvn compile war:exploded
-+----------+
+----------
 
  This will generate an exploded version of the WAR in <<<target/documentedproject-1.0-SNAPSHOT>>>.
  The contents of that directory looks like this:
 
-+----------+
+----------
  documentedproject-1.0-SNAPSHOT
  |-- META-INF
  |-- WEB-INF
@@ -155,7 +155,7 @@ mvn compile war:exploded
  |-- index.jsp
  `-- jsp
      `-- websource.jsp
-+----------+
+----------
 
  The default directory for the exploded WAR is <<<target/\<finalName\>>>>. The <<<finalName>>> is usually in the form
  of <<<\<artifactId\>-\<version\>>>>.
@@ -186,13 +186,13 @@ mvn compile war:exploded
  in the webapp source, which defaults to <<<src/main/webapp>>>.
  Use our sample project above, and invoke:
 
-+----------+
+----------
 mvn compile war:inplace
-+----------+
+----------
 
  This will result in:
 
-+----------+
+----------
  |-- pom.xml
  |-- src
  |   `-- main
@@ -226,4 +226,4 @@ mvn compile war:inplace
          |           `-- SampleAction.class
          `-- images
              `-- sampleimage.jpg
-+----------+
+----------