{
    "amssymb": {
        "command": "amssymb",
        "detail": "TeX fonts from the American Mathematical Society",
        "documentation": "https://ctan.org/pkg/amsfonts"
    },
    "newtxtext": {
        "command": "newtxtext",
        "detail": "Alternative uses of the TX fonts, with improved metrics",
        "documentation": "https://ctan.org/pkg/newtx"
    },
    "newtxmath": {
        "command": "newtxtmath",
        "detail": "Alternative uses of the TX fonts, with improved metrics",
        "documentation": "https://ctan.org/pkg/newtx"
    },
    "stix2": {
        "command": "stix2",
        "detail": "Type1 versions of the STIX Two OpenType fonts",
        "documentation": "https://ctan.org/pkg/stix2-type1"
    }
}

{
    "amssymb": {
        "command": "amssymb",
        "detail": "TeX fonts from the American Mathematical Society",
        "documentation": "https://ctan.org/pkg/amsfonts"
    },
    "newtxtext": {
        "command": "newtxtext",
        "detail": "Alternative uses of the TX fonts, with improved metrics",
        "documentation": "https://ctan.org/pkg/newtx"
    },
    "newtxmath": {
        "command": "newtxtmath",
        "detail": "Alternative uses of the TX fonts, with improved metrics",
        "documentation": "https://ctan.org/pkg/newtx"
    },
    "stix2": {
        "command": "stix2",
        "detail": "Type1 versions of the STIX Two OpenType fonts",
        "documentation": "https://ctan.org/pkg/stix2-type1"
    },
    "xecjkfntef": {
        "command": "xeCJKfntef",
        "detail": "Support for CJK documents in XeLaTeX",
        "documentation": "https://ctan.org/pkg/xecjk"
    }
}

Add xeCJKfntef to extra package names
Add xeCJKfntef to extra package names

Related to #2792
