More block markup tests.

tests/root/markup.txt

@@ -9,6 +9,7 @@ Meta markup
 -----------
 
 .. sectionauthor:: Georg Brandl
+.. moduleauthor:: Georg Brandl
 
 .. contents:: TOC
 
@@ -155,6 +156,17 @@ Version markup
    Boring stuff.
 
 
+Code blocks
+-----------
+
+.. code-block:: ruby
+   :linenos:
+
+   def ruby?
+       false
+   end
+
+
 Misc stuff
 ----------