Add lang hyphen, if not exists for HTML tags

Arch Linux Firefox doesn't set lang="ja" as Japanese

Skaber
Pacharapol Withayasakpunt (Pol)
Daglige installationer
0
Installationer i alt
2
Bedømmelser
0 0 0
Version
0.1.4
Oprettet
18.04.2022
Opdateret
03.05.2022
Size
1,38 kB
Licens
MIT
Gælder for
Alle hjemmesider

Firefox on Arch Linux doesn't detect lang attribute without hyphens

This bug should probably eventually be fixed, but I made this for the time being.