fix: Remove code-focus because obsolete

README.md

@@ -1,5 +1,5 @@
 <img src="docs/logo.svg" style="margin-right: 10pt;width:100pt" align="right">
-<h1>Technical Presentations</h1>
+<h1>Technical Presentation</h1>
 
 <br>
 Make technical presentations in Markdown/HTML etc.
@@ -12,6 +12,8 @@ file for design modifications.
 
 Authors: [Gabriel Nützi](https://github.com/gabyx) and [Simon Spörri](https://github.com/simonspoerri).
 
+Current [`revealjs`](https://github.com/hakimel/reveal.js) version: `4.6.1`
+
 ## Examples
 
 - `npm install` -> Install all dependencies.

index.html

@@ -103,19 +103,24 @@ <h2>Code</h2>
       <section data-markdown>
         <script type="text/template">
             ### Code Focus
-            <pre><code class="language-cpp stretch" data-trim contenteditable=true>
+            <pre><code class="language-cpp stretch" data-trim contenteditable=true data-line-numbers="|3-4|8-10" data-fragment-index="1,2">
             int a = 3;
             int a;
             enum class C {A, B, C} b;
             std::vector&lt;int&gt; c; // asd
 
             int const * & const d;
 
-            using FuncPointer  = int (*)(float); // Typ: Pointer auf Funktion.
-            using FuncReferenz = int (&)(float); // Typ: Referenz auf Funktion.
-            using Func =             int(float);     // Typ: Funktion.</code></pre>
-            <span class="fragment current-only" data-code-focus="3-4">This is now important</span>
+            using FuncPointer  = int (*)(float); // Type: Pointer to function.
+            using FuncReferenz = int (&)(float); // Type: Reference to function.
+            using Func =             int(float); // Type: Function.
+            </code></pre>
+
+            <span class="fragment" data-fragment-index="1">This is now important</span>
+
             Link <a href="#/3/0/0">1</a>
+
+            <span class="fragment" data-fragment-index="2">This is now important too.</span>
         </script>
       </section>