person_data = {
    "@context": "https://schema.org",
    "@type": "Person",
    "@id": "https://dbohdan.com/#person",
    "name": "D. Bohdan",
    "givenName": "D.",
    "familyName": "Bohdan",
    "alternateName": "dbohdan",
    "url": "https://dbohdan.com/",
    "sameAs": [
        "http://dbohdan.sdf.org/",
        "https://archive.org/details/@dbohdan",
        "https://codeberg.org/dbohdan",
        "https://dbohdan.bsky.social",
        "https://dbohdan.tilde.institute",
        "https://github.com/dbohdan",
        "https://gitlab.com/dbohdan",
        "https://mastodon.sdf.org/@dbohdan",
        "https://rosettacode.org/wiki/User:Dbohdan",
        "https://sourceforge.net/u/dbohdan/profile/",
        "https://substack.com/@dbohdan",
        "https://wiki.tcl-lang.org/page/dbohdan",
        "https://x.com/dbotdan",
    ],
}

head_extra = """
<!-- Schema -->
<script type="application/ld+json">
{json}
</script>
""".format(json=json.encode_indent(person_data, indent="  "))