anki                    Hide/Show text
anki_setup              Hide/Show text
convert                 Converts R Markdown file into HTML fragment
                        with inline styles
convert_html2cms        Convert a HTML file into a HTML block to be
                        copied and pasted for CMS.
counter                 Counter factory.
includeAudio            Include Audio media.
includeFlickr           Include Flickr album
includeGraphics         Include graphic media.
includeQuestion         Include Summary/Details block.
includeText             Insert text into a document.
includeYT               Include YouTube video.
juicedown_example       List example files
tweak_footnote_highlight
                        Highlight target link for footnotes
tweak_moodle_heading    Hide H2 heading for Moodle LMS
