nnir.el (nnir-request-expire-articles): Only allow article deletion.
message.el (message-bogus-recipient-p): Set address to "" if nil.
gnus-gravatar.el (gnus-gravatar-transform-address): Fix error when email address is nil.
proto-stream.el (proto-stream-open-network-only): New function to have a way to specify non-STARTTLS upgrade connections.
3b84b00502