27 Content-Disposition: inline; filename=" 24d Last-Modified: Mon, 18 May 2026 15:51:40 GMT Expires: Thu, 15 May 2036 15:51:40 GMT ETag: "f40e999832e2deea0848b9ff7b1ac90f514b97b3"

These are all equivalent:

nested blockquote

This is not:

nested

blockquote

0 HTTP/1.0 500 Internal Server Error Date: Mon, 18 May 2026 15:51:40 GMT Server: OpenBSD httpd Connection: close Content-Type: text/html Content-Length: 518 500 Internal Server Error

500 Internal Server Error

OpenBSD httpd