md variants
[https://markdown.new/www.investor.gov/files/county.json?method=browser MDB]
[https://markdown.new/www.investor.gov/files/county.json?method=ai MDA]
[https://markdown.new/www.investor.gov/files/county.json?method=auto MDTO]
[https://markdown.new/www.investor.gov/files/county.json?retain_images=true MDIMG]
[https://markdown.new/www.investor.gov/files/county.json?.html MDHTMLQ]
