Prune unused footnote references in GitHub-flavored Markdown.
npx gfm-footnotes # if not installed
gfm-footnotes # if installed and in the PATH$ gfm-footnotes --help
Usage: gfm-footnotes [options]
Options:
--input <path> File path containing GFM markdown content. If omitted, input must be piped in.
[string]
--output-file <path> File path to write output to. If omitted, output will be printed to stdout.
[string]npm install --save-dev gfm-footnotes
MIT
