asciidoctor/asciidoctor.org — pull request #117 by graphitefriction (2013-09-23 00:18:51+00:00)
Title: added preamble example

- fixed preamble section ID so toc link works
- added preamble.png image
- resolves [17](https://github.com/asciidoctor/asciidoctor-documentation/issues/17)