y="og:image" content="https://github.com/dcnorris/precautionary/raw/main/docs/card.png"><meta property="og:image:alt" content="Logo for precautionary package"><meta name="twitter:card" content="summary"><meta name="twitter:creator" content="@davidcnorrismd"><meta name="twitter:site" content="@davidcnorrismd"><!-- mathjax --><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script><script src