Add syntax highlighting to config snippet
diff --git a/netbeans.apache.org/src/content/download/nb120/nb120.asciidoc b/netbeans.apache.org/src/content/download/nb120/nb120.asciidoc
index a32f7fd..e25b209 100644
--- a/netbeans.apache.org/src/content/download/nb120/nb120.asciidoc
+++ b/netbeans.apache.org/src/content/download/nb120/nb120.asciidoc
@@ -32,6 +32,8 @@
 :toc: left
 :toc-title:
 :icons: font
+:syntax: true
+:source-highlighter: pygments
 
 Apache NetBeans 12.0 was released on June 4, 2020.
 See link:/download/nb120/index.html[Apache NetBeans 12.0 Features] for a full list of features.
@@ -93,9 +95,13 @@
   are updated. As a workaround add the commandline option
   `-J-Dmaven.defaultProjectBuilder.disableGlobalModelCache=true`  to the
   `netbeans_default_options` in the `etc/netbeans.conf` configuration file:
++
+[source,bash]
+----
 
-  netbeans_default_options="-J-Dmaven.defaultProjectBuilder.disableGlobalModelCache=true -J-XX:+UseStringDeduplication -J-Xss2m  -J-Djdk.gtk.version=2.2 -J-Dapple.laf.useScreenMenuBar=true -J-Dapple.awt.graphics.UseQuartz=true -J-Dsun.java2d.noddraw=true -J-Dsun.java2d.dpiaware=true -J-Dsun.zip.disableMemoryMapping=true -J-Dplugin.manager.check.updates=false -J-Dnetbeans.extbrowser.manual_chrome_plugin_install=yes -J--add-opens=java.base/java.net=ALL-UNNAMED -J--add-opens=java.base/java.lang.ref=ALL-UNNAMED -J--add-opens=java.base/java.lang=ALL-UNNAMED -J--add-opens=java.base/java.security=ALL-UNNAMED -J--add-opens=java.base/java.util=ALL-UNNAMED -J--add-opens=java.desktop/javax.swing.plaf.basic=ALL-UNNAMED -J--add-opens=java.desktop/javax.swing.text=ALL-UNNAMED -J--add-opens=java.desktop/javax.swing=ALL-UNNAMED -J--add-opens=java.desktop/java.awt=ALL-UNNAMED -J--add-opens=java.desktop/java.awt.event=ALL-UNNAMED -J--add-opens=java.prefs/java.util.prefs=ALL-UNNAMED -J--add-opens=jdk.jshell/jdk.jshell=ALL-UNNAMED -J--add-modules=jdk.jshell -J--add-exports=java.desktop/sun.awt=ALL-UNNAMED -J--add-exports=java.desktop/java.awt.peer=ALL-UNNAMED -J--add-exports=java.desktop/com.sun.beans.editors=ALL-UNNAMED -J--add-exports=java.desktop/sun.swing=ALL-UNNAMED -J--add-exports=java.desktop/sun.awt.im=ALL-UNNAMED -J--add-exports=jdk.internal.jvmstat/sun.jvmstat.monitor=ALL-UNNAMED -J--add-exports=java.management/sun.management=ALL-UNNAMED -J--add-exports=java.base/sun.reflect.annotation=ALL-UNNAMED -J-XX:+IgnoreUnrecognizedVMOptions"
+netbeans_default_options="-J-Dmaven.defaultProjectBuilder.disableGlobalModelCache=true -J-XX:+UseStringDeduplication -J-Xss2m  -J-Djdk.gtk.version=2.2 -J-Dapple.laf.useScreenMenuBar=true -J-Dapple.awt.graphics.UseQuartz=true -J-Dsun.java2d.noddraw=true -J-Dsun.java2d.dpiaware=true -J-Dsun.zip.disableMemoryMapping=true -J-Dplugin.manager.check.updates=false -J-Dnetbeans.extbrowser.manual_chrome_plugin_install=yes -J--add-opens=java.base/java.net=ALL-UNNAMED -J--add-opens=java.base/java.lang.ref=ALL-UNNAMED -J--add-opens=java.base/java.lang=ALL-UNNAMED -J--add-opens=java.base/java.security=ALL-UNNAMED -J--add-opens=java.base/java.util=ALL-UNNAMED -J--add-opens=java.desktop/javax.swing.plaf.basic=ALL-UNNAMED -J--add-opens=java.desktop/javax.swing.text=ALL-UNNAMED -J--add-opens=java.desktop/javax.swing=ALL-UNNAMED -J--add-opens=java.desktop/java.awt=ALL-UNNAMED -J--add-opens=java.desktop/java.awt.event=ALL-UNNAMED -J--add-opens=java.prefs/java.util.prefs=ALL-UNNAMED -J--add-opens=jdk.jshell/jdk.jshell=ALL-UNNAMED -J--add-modules=jdk.jshell -J--add-exports=java.desktop/sun.awt=ALL-UNNAMED -J--add-exports=java.desktop/java.awt.peer=ALL-UNNAMED -J--add-exports=java.desktop/com.sun.beans.editors=ALL-UNNAMED -J--add-exports=java.desktop/sun.swing=ALL-UNNAMED -J--add-exports=java.desktop/sun.awt.im=ALL-UNNAMED -J--add-exports=jdk.internal.jvmstat/sun.jvmstat.monitor=ALL-UNNAMED -J--add-exports=java.management/sun.management=ALL-UNNAMED -J--add-exports=java.base/sun.reflect.annotation=ALL-UNNAMED -J-XX:+IgnoreUnrecognizedVMOptions"
 
+----
 
 == Earlier releases
 
diff --git a/netbeans.apache.org/src/content/templates/page-noaside.gsp b/netbeans.apache.org/src/content/templates/page-noaside.gsp
index 3e0b6c1..cf5bb2b 100644
--- a/netbeans.apache.org/src/content/templates/page-noaside.gsp
+++ b/netbeans.apache.org/src/content/templates/page-noaside.gsp
@@ -44,5 +44,11 @@
             <% // NOTE: Plain jquery stuff needs to be quoted in gsp pages %>
             ${'$(function(){ $(document).foundation(); });'}
         </script>
+        <% if (content.syntax) { %>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.13.1/highlight.min.js"></script>
+        <script>
+        ${' $(document).ready(function() { $("pre code").each(function(i, block) { hljs.highlightBlock(block); }); }); '}
+        </script>
+        <% } %>
     </body>
 </html>