#
# In external file `example.tpl`:
#
-# <!DOCTYPE html>
-# <html lang="en">
-# <head>
-# <title>%TITLE%</title>
-# </head>
-# <body>
-# <h1>%TITLE%</h1>
-# <p>%ARTICLE%</p>
-# </body>
-# </html>
+# ~~~html
+# <!DOCTYPE html>
+# <html lang="en">
+# <head>
+# <title>%TITLE%</title>
+# </head>
+# <body>
+# <h1>%TITLE%</h1>
+# <p>%ARTICLE%</p>
+# </body>
+# </html>
+# ~~~
#
# Loading the template file using `TemplateString`:
#