Add some empty lines to make ruma/Cargo.toml easier to read

crates/ruma/Cargo.toml

@@ -104,9 +104,11 @@ compat = [
 ]
 # Don't validate the version part in `KeyId`.
 compat-key-id = ["ruma-common/compat-key-id"]
+
 # Allow some user IDs that are invalid even with the specified historical
 # user ID scheme.
 compat-user-id = ["ruma-common/compat-user-id"]
+
 # Allow some mandatory fields in requests / responses to be missing, defaulting
 # them to an empty string in deserialization.
 compat-empty-string-null = [
@@ -115,26 +117,33 @@ compat-empty-string-null = [
     "ruma-events?/compat-empty-string-null",
     "ruma-federation-api?/compat-empty-string-null",
 ]
+
 # Allow certain fields to be `null` for compatibility, treating that the same as
 # the field being absent.
 compat-null = ["ruma-common/compat-null"]
+
 # Allow certain fields to be absent even though the spec marks them as
 # mandatory. Deserialization will yield a default value like an empty string.
 compat-optional = [
     "ruma-common/compat-optional",
     "ruma-events?/compat-optional",
 ]
+
 # Unset avatars by sending an empty string, same as what Element Web does, c.f.
 # https://github.com/matrix-org/matrix-spec/issues/378#issuecomment-1055831264
 compat-unset-avatar = ["ruma-client-api?/compat-unset-avatar"]
+
 # Always serialize the threepids response field in `get_3pids::v3::Response`,
 # even if its value is an empty list.
 compat-get-3pids = ["ruma-client-api?/compat-get-3pids"]
+
 # Accept `message` as an alias for `error` in `upload_signatures::v3::Failure`,
 # since that's what Synapse sends.
 compat-upload-signatures = ["ruma-client-api?/compat-upload-signatures"]
+
 # Allow extra characters in signature IDs not allowed in the specification.
 compat-signature-id = ["ruma-signatures?/compat-signature-id"]
+
 # Allow TagInfo to contain a stringified floating-point value for the `order` field.
 compat-tag-info = ["ruma-events?/compat-tag-info"]