function normalizeHtmlEntities()

in src/utils/sanitizer.ts [100:124]


function normalizeHtmlEntities(content: string): string {
    // Decode numeric decimal entities (H = 'H')
    content = content.replace(/&#(\d+);/g, (_, dec) => {
        const num = parseInt(dec, 10);
        // Only decode printable ASCII range
        if (num >= 32 && num <= 126) {
            return String.fromCharCode(num);
        }
        // Remove non-printable entities
        return "";
    });

    // Decode hex entities (&#x48; = 'H')
    content = content.replace(/&#x([0-9a-fA-F]+);/g, (_, hex) => {
        const num = parseInt(hex, 16);
        // Only decode printable ASCII range
        if (num >= 32 && num <= 126) {
            return String.fromCharCode(num);
        }
        // Remove non-printable entities
        return "";
    });

    return content;
}