Custom links direct SEC and markdown proxied. 
https://www.sec.gov/files/county.json?_format=html
https://www.sec.gov/files/county.json?foo=.html
https://www.sec.gov/files/county.json?a=b%26foo=.txt
https://www.sec.gov/modules/custom/sec_custom_blocks/js/oasb_raising_capital_map/main.js?_format=html
https://markdown.new/r.jina.ai/www.sec.gov/files/county.json%253Fx%253Dhtml
https://markdown.new/r.jina.ai/www.sec.gov/files/county.json%253Fx%253Dhtml?format=json
https://allorigins.hexlet.app/raw?url=https://markdown.new/r.jina.ai/www.sec.gov/files/county.json%25253Fx%25253Dhtml
