header-includes: |
    ```{=html}
    <link rel="icon" href="https://printfn.github.io/fend/fend-icon-128.png">
    <style>
        @media (prefers-color-scheme: dark) {
            a, a:visited {
                color: hsl(90, 70%, 70%);
            }

            b {
                color: hsl(30, 25%, 70%);
            }

            code span.fu {
                color: #90acf2;
            }

            html {
                background: hsl(30, 25%, 10%);
                color: hsl(30, 15%, 90%);
            }
        }
    </style>
    ```
lang: "en"
linkcolor: "blue"
pagetitle: "fend Manual"
