escaped characters rather than <programlisting> and CDATA. Reason: XML source more easily editable and readable. git-svn-id: https://pandoc.googlecode.com/svn/trunk@393 788f1e2b-df1e-0410-8736-df70ead52e1b
git-svn-id: https://pandoc.googlecode.com/svn/trunk@386 788f1e2b-df1e-0410-8736-df70ead52e1b