gpg clear signed message on website

[anotst01 at fastmail.fm]

The goal is to sign a message on a webserver.

I clear signed a plain text file and double checked I can still verify
it. The resulting clear signed text has been put into a new file
surrounded by

<pre>
-----BEGIN PGP SIGNED MESSAGE-----
.......
-----END PGP SIGNATURE-----
</pre>

and saved as file.html. When I open file.html with a browser, copy the
text into a text file and store it, I get a bad signature.

What is the correct syntax for a website source to show a gpg signed
message?

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