rich1.0 wrotenpub1wh2hpen9ud23de6rm2t2d0gm8f7j5vck4zy7p7yw3lpzdyzz3husm2rdcfhttps://yabu.me/npub1wh2hpen9ud23de6rm2t2d0gm8f7j5vck4zy7p7yw3lpzdyzz3husm2rdcfnjumphttps://yabu.memake Content-Length mandatory in spec. make clients ignore images that do not follow spec.