Support fragmented list from Marpit v0.9.0

[yhatt]

Fragmented list is a new feature of Marpit v0.9.0. It's easy to write the list to be appeared one-by-one. Just use * bullet and 1) bracket style index.

This PR supports fragmented list parsed by Marpit v0.9.0 in bespoke template. Our implementation is based on bespoke-bullet plugin, but we have extra feature for jumping to the beginning page and the ending page with considering fragments by hitting Home and End key.

Currently we are not using the stored value in data-marpit-fragment parsed by Marpit. Fragments plugin will only recognize whether it has data attribute.

If you familiar to reveal.js, you can use <div data-marpit-fragment> HTML element as a fragmented block with --html option.

Example

• Deck: https://gistcdn.githack.com/yhatt/efc4ba8999274112072f97c7d48d37df/raw/b01eae1128579ed6be7b447950a256156c49dcaa/fragment.html
• Source on Gist: https://gist.github.com/yhatt/efc4ba8999274112072f97c7d48d37df

ToDo

• Set correct disabled state in OSC navigation button
• Fill unit test
• Update README.md