Another regression against pine 4.64L: In my .pinerc in pine I have: customized-hdrs=[…], Content-Language: "de-DE-1901, en-GB", […] In pine, this leads to outgoing eMails containing the header… | Content-Language: de-DE-1901, en-GB … by default. In alpine, it leads to this instead: | Content-Language: "de-DE-1901, en-GB" This is clearly wrong. Removing the quotes leads to broken eMails instead: | Content-Language: de-DE-1901 | en-GB