2. https://meta.wikimedia.org/wiki/Requests_for_new_languages/Wikipedia_Pacha_Malayalam - no ISO code, and this is not a distinct language, but a certain literary style of Malayalam. (See the section "1850–1904" in the Malayalam article in the English Wikipedia and the "പച്ചമലയാളപ്രസ്ഥാനം" article in the Malayalam Wikipedia, which Google translates quite clearly.)