Don't use template syntax in non-templates, it's not the default anymore

examples/playbooks/intermediate_example.yml

@@ -34,7 +34,7 @@
 
   # we could also have done something like:
   # - include: wordpress.yml user=timmy
-  # and had access to the template variable {{ user }} in the 
+  # and had access to the template variable $user in the 
   # included file, if we wanted to.  Variables from vars
   # and vars_files are also available inside include files
 

examples/playbooks/selective_file_sources.yml

@@ -13,13 +13,13 @@
     first_available_file:
 
        # first see if we have a file for this specific host
-       - /srv/whatever/{{ ansible_hostname }}.conf
+       - /srv/whatever/${ansible_hostname}.conf
 
        # next try to load something like CentOS6.2.conf
-       - /srv/whatever/{{ ansible_distribution }}{{ ansible_distribution_version }}.conf
+       - /srv/whatever/${ansible_distribution}${ansible_distribution_version}.conf
 
        # next see if there's a CentOS.conf
-       - /srv/whatever/{{ ansible_distribution }}.conf
+       - /srv/whatever/${ansible_distribution}.conf
 
        # finally give up and just use something generic
        - /srv/whatever/default