apache 2.4 stopped respecting DefaultType. Thanks, guys.
Header set Surrogate-Key <%= hostname %>
Header set Surrogate-Key <%= hostname %>
AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css
</Macro>
AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css
</Macro>
AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css
AddOutputFilter INCLUDES .xhtml
</VirtualHost>
AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css
AddOutputFilter INCLUDES .xhtml
</VirtualHost>