❯ sed -i '' -E 's/<\/code><\/pre>/\n```/g' 2020-04-23-nss-usr-lib-p11-kit-trust-so-exists-in-filesystem.md
❯ sed -i '' -E 's/<pre class="wp-block-code"><code>/```\n/g' 2020-04-23-nss-usr-lib-p11-kit-trust-so-exists-in-filesystem.md