Update demo 015 (#502)

Author: francisco-milan

src/z2ui5_cl_demo_app_015.clas.abap

@@ -22,7 +22,8 @@ CLASS Z2UI5_CL_DEMO_APP_015 IMPLEMENTATION.
 
       mv_html_text = `<h3>subheader</h3><p>link: <a href="https://www.sap.com" style="color:green; font-weight:600;">link to sap.com</a> - links open in ` &&
             `a new window.</p><p>paragraph: <strong>strong</strong> and <em>emphasized</em>.</p><p>list:</p><ul` &&
-            `><li>list item 1</li><li>list item 2<ul><li>sub item 1</li><li>sub item 2</li></ul></li></ul><p>pre:</p><pre>abc    def    ghi</pre><p>code: <code>var el = document.getElementById("myId");</code></p><p>cite: <cite>a reference to a source</cite></p>` &&
+            `><li>list item 1</li><li>list item 2<ul><li>sub item 1</li><li>sub item 2</li></ul></li></ul><p>pre:</p><pre>abc    def    ghi` &&
+            `</pre><p>code: <code>var el = document.getElementById("myId");</code></p><p>cite: <cite>a reference to a source</cite></p>` &&
             `<dl><dt>definition:</dt><dd>definition list of terms and descriptions</dd>`.
 
     ENDIF.