Sample font does work!

This is my settings.json

{
    "$baseURI": "https://yal.cc/r/20/pixelfont/",
    "$version": "1.0",
    "in-glyphs": [
        " ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789\"!?'.,;:()<>/-+=#_&~*¡¿%[]♦♣♠▲@©®«»$€¥£₽ßçæœÿàáâãäåèéêëìíîïñòóôõöùúûüẞÇÆŒŸÀÁÂÃÄÅÈÉÊËÌÍÎÏÑÒÓÔÕÖÙÚÛÜАБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЬЫЭЮЯабвгдеёжзийклмнопрстуфхцчшщъьыэюя"
    ],
    "glyph-width": 10,
    "glyph-height": 14,
    "glyph-ofs-x": 2,
    "glyph-ofs-y": 0,
    "glyph-sep-x": 4,
    "glyph-sep-y": 0,
    "glyph-base-x": 0,
    "glyph-base-y": 9,
    "glyph-spacing": 1,
    "font-is-mono": true,
    "font-em-square": 1024,
    "font-line-gap": 0,
    "font-px-size": 128,
    "font-ascend": 768,
    "font-descend": -256,
    "font-name": "Mystery Font",
    "font-author": "You, of course",
    "font-copy": "(c)",
    "font-version": "Version 1.0",
    "font-desc": "Sweet fonts to leave your worries behind you",
    "font-license": "You have the permission",
    "font-license-url": "",
    "font-sample-text": "Hello!",
    "font-preview-text": [
        "adsadTHE QUICK BROWN FOX JUMPS OVER A LAZY DOG.",
        "the quick brown fox jumps over a lazy dog.",
        "0123456789"
    ]
}

I see! It's working perfectly now. Thanks for an amazing and much needed tool!