There is no difference between --styled-output and --no-styled-output.

[u20221022]

I did this

I expected the following

Any difference in font.

curl/libcurl version

Build: 7.86.0_2
[curl -V output]
curl 7.86.0 (x86_64-w64-mingw32) libcurl/7.86.0 OpenSSL/3.0.7 (Schannel) zlib/1.2.13 brotli/1.0.9 zstd/1.5.2 WinIDN libssh2/1.10.0 nghttp2/1.51.0 ngtcp2/0.11.0 nghttp3/0.7.1 libgsasl/2.2.0
Release-Date: 2022-10-26
Protocols: dict file ftp ftps gopher gophers http https imap imaps ldap ldaps mqtt pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp ws wss
Features: alt-svc AsynchDNS brotli gsasl HSTS HTTP2 HTTP3 HTTPS-proxy IDN IPv6 Kerberos Largefile libz MultiSSL NTLM SPNEGO SSL SSPI threadsafe TLS-SRP UnixSockets zstd

operating system

MS Windows 10 last version with all updates

[bagder]

This is not a bug. This functionality does not exist on Windows because the terminals on Windows don't support this.

[u20221022]

Please, write this to manual.