Autocompletion!

Autocompletion

quarto-nvim now comes with a completion source for nvim-cmp to deliver swift autocompletion for code in quarto code chunks.
It currently only works for one language in the case of multi-language documents.

What's Changed

• Refactor by @jmbuhr in #17
• Autocomplete by @jmbuhr in #18

Full Changelog: v0.3.0...v0.4.0