Lars Bilke authored 6 years ago and Dmitri Naumov committed 6 years ago

Fixes formula rendering errors. Pandoc is also a superset of Markdown
with lots of useful features. For the future we should use just Pandoc
as format.

- Introduced data-url shortcode
- Fixed test data links
- Markdownify text in shortcodes (e.g. image captions, data-url)