README.markdown in revealing-1.6.0

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 # Features
 
 * Images are resized for the web using [`graphicsmagick`](http://www.graphicsmagick.org/)
 * `#include` and other [`gpp`](https://logological.org/gpp) features allow organizing the sources of complex presentations
+* Fenced code blocks marked as `ditaa` will be converted to SVG
 * Files in the `headers` folder are included verbatim in the HTML `<head>` section
 * MathJax is included and configured to render SVG. To use a specific version, set the environment variable `MATH_JAX_VERSION` to one of of the versions provided by [CDNJS](https://cdnjs.com/libraries/mathjax).
 * reveal.js is downloaded and unzipped at build time. Set the environment variable `REVEAL_JS_VERSION` to customize which version to use (must be one of the [released versions](https://github.com/hakimel/reveal.js/releases)). If `REVEAL_JS_DIR` is set, the files from this directory are used.
 * The environment variable `REVEAL_JS_SLIDE_LEVEL` can be set to [structure the slide show](https://pandoc.org/MANUAL.html#structuring-the-slide-show)
 * The target directory is `public_html`. It can be customized by setting the environment variable `TARGET_DIR`.