CHICKEN extension to manage a pool of worker processes: Help: test-markdown-render

The "test-markdown-render" command:

Usage: fossil test-markdown-render FILE ...

Render markdown in FILE as HTML on stdout. Options:

--safe
Restrict the output to use only "safe" HTML
--lint-footnotes
Print stats for footnotes-related issues
--dark-pikchr
Render pikchrs in dark mode