comark/cast/missing-cast · Give every ::cast a cast

::cast shows a recording, from a file named in src or a code block inside it. A block with neither has nothing to replay and renders nothing.

Incorrect

::cast{title="pnpm deploy"}
::

lint-comark example.mdexample.md:1:1 comark/cast/missing-cast::cast 1 needs a cast: write ::cast{src="demo.cast"}, or put the cast in a code block inside it.Change the block as the message says.✖ 1 problem

Correct

::cast{src="deploy.cast" title="pnpm deploy"}
::

lint-comark example.md✔ No problems