Trac #148: Use same hilighting technique also for documentation.
diff --git a/org.jacoco.doc/docroot/doc/flow.html b/org.jacoco.doc/docroot/doc/flow.html
index 04fffea..e07eca3 100644
--- a/org.jacoco.doc/docroot/doc/flow.html
+++ b/org.jacoco.doc/docroot/doc/flow.html
@@ -40,16 +40,16 @@
   single branching point:

 </p>

 

-<pre class="source lang-java">

-<span class="nr">    1</span>public static void example() {

-<span class="nr">    2</span>    a();

-<span class="nr">    3</span>    if (cond()) {

-<span class="nr">    4</span>        b();

-<span class="nr">    5</span>    } else {

-<span class="nr">    6</span>        c();

-<span class="nr">    7</span>    }

-<span class="nr">    8</span>    d();

-<span class="nr">    9</span>}

+<pre class="source lang-java linenums">

+public static void example() {

+    a();

+    if (cond()) {

+        b();

+    } else {

+        c();

+    }

+    d();

+}

 </pre>

 

 <p>

@@ -62,16 +62,16 @@
   (also the ASM API uses such symbolic labels):  

 </p>

 

-<pre class="source">

-<span class="nr">     </span>public static example()V

-<span class="nr">     </span>    INVOKESTATIC a()V

-<span class="nr">     </span>    INVOKESTATIC cond()Z

-<span class="nr">     </span>    IFEQ L1

-<span class="nr">     </span>    INVOKESTATIC b()V

-<span class="nr">     </span>    GOTO L2

-<span class="nr">  L1:</span>    INVOKESTATIC c()V

-<span class="nr">  L2:</span>    INVOKESTATIC d()V

-<span class="nr">     </span>    RETURN

+<pre class="source linenums">

+public static example()V

+    INVOKESTATIC a()V

+    INVOKESTATIC cond()Z

+    IFEQ L1

+    INVOKESTATIC b()V

+    GOTO L2

+    INVOKESTATIC c()V

+    INVOKESTATIC d()V

+    RETURN

 </pre>

 

 <p>