https://ja.hideki.hclippr.com/2022/06/18/firefoxa%c2%81rcc%e2%80%b0%cb%86a%c2%81a%c2%81asa%c2%81a%c2%81aa%c2%81a%c2%81a%c2%81%c2%a4a%c2%81a%c2%81%c2%a6/
FirefoxのRC版のありかなどについて