encoding/protobuf: remove extra space in comment

Change-Id: Ia325389e474003fc20917aea45cfef4a268b4b96
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/2940
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>
diff --git a/encoding/protobuf/testdata/client_config.proto.out.cue b/encoding/protobuf/testdata/client_config.proto.out.cue
index f8535a7..527eead 100644
--- a/encoding/protobuf/testdata/client_config.proto.out.cue
+++ b/encoding/protobuf/testdata/client_config.proto.out.cue
@@ -1,23 +1,23 @@
 
-//  Copyright 2017 Istio Authors
-// 
-//    Licensed under the Apache License, Version 2.0 (the "License");
-//    you may not use this file except in compliance with the License.
-//    You may obtain a copy of the License at
-// 
-//        http://www.apache.org/licenses/LICENSE-2.0
-// 
-//    Unless required by applicable law or agreed to in writing, software
-//    distributed under the License is distributed on an "AS IS" BASIS,
-//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//    See the License for the specific language governing permissions and
-//    limitations under the License.
+// Copyright 2017 Istio Authors
+//
+//   Licensed under the Apache License, Version 2.0 (the "License");
+//   you may not use this file except in compliance with the License.
+//   You may obtain a copy of the License at
+//
+//       http://www.apache.org/licenses/LICENSE-2.0
+//
+//   Unless required by applicable law or agreed to in writing, software
+//   distributed under the License is distributed on an "AS IS" BASIS,
+//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//   See the License for the specific language governing permissions and
+//   limitations under the License.
 
-//  $title: Mixer Client
-//  $description: Configuration state for the Mixer client library.
-//  $location: https://istio.io/docs/reference/config/policy-and-telemetry/istio.mixer.v1.config.client
+// $title: Mixer Client
+// $description: Configuration state for the Mixer client library.
+// $location: https://istio.io/docs/reference/config/policy-and-telemetry/istio.mixer.v1.config.client
 
-//  Describes the configuration state for the Mixer client library that's built into Envoy.
+// Describes the configuration state for the Mixer client library that's built into Envoy.
 package client
 
 import (
@@ -25,165 +25,165 @@
 	"time"
 )
 
-//  Specifies the behavior when the client is unable to connect to Mixer.
+// Specifies the behavior when the client is unable to connect to Mixer.
 NetworkFailPolicy: {
 
-	//  Specifies the behavior when the client is unable to connect to Mixer.
+	// Specifies the behavior when the client is unable to connect to Mixer.
 	policy?: NetworkFailPolicy_FailPolicy @protobuf(1,type=FailPolicy)
 
-	//  Max retries on transport error.
+	// Max retries on transport error.
 	maxRetry?: uint32 @protobuf(2,name=max_retry)
 
-	//  Base time to wait between retries.  Will be adjusted by exponential
-	//  backoff and jitter.
+	// Base time to wait between retries.  Will be adjusted by exponential
+	// backoff and jitter.
 	baseRetryWait?: time.Duration @protobuf(3,type=google.protobuf.Duration,name=base_retry_wait)
 
-	//  Max time to wait between retries.
+	// Max time to wait between retries.
 	maxRetryWait?: time.Duration @protobuf(4,type=google.protobuf.Duration,name=max_retry_wait)
 }
 
-//  Example of single-value enum.
+// Example of single-value enum.
 NetworkFailPolicy_FailPolicy:
-	//  If network connection fails, request is allowed and delivered to the
-	//  service.
+	// If network connection fails, request is allowed and delivered to the
+	// service.
 	"FAIL_OPEN"
 
 NetworkFailPolicy_FailPolicy_value FAIL_OPEN: 0
 
-//  Defines the per-service client configuration.
+// Defines the per-service client configuration.
 ServiceConfig: {
-	//  If true, do not call Mixer Check.
+	// If true, do not call Mixer Check.
 	disableCheckCalls?: bool @protobuf(1,name=disable_check_calls)
 
-	//  If true, do not call Mixer Report.
+	// If true, do not call Mixer Report.
 	disableReportCalls?: bool @protobuf(2,name=disable_report_calls)
 
-	//  Send these attributes to Mixer in both Check and Report. This
-	//  typically includes the "destination.service" attribute.
-	//  In case of a per-route override, per-route attributes take precedence
-	//  over the attributes supplied in the client configuration.
+	// Send these attributes to Mixer in both Check and Report. This
+	// typically includes the "destination.service" attribute.
+	// In case of a per-route override, per-route attributes take precedence
+	// over the attributes supplied in the client configuration.
 	mixerAttributes?: v1.Attributes @protobuf(3,type=Attributes,name=mixer_attributes)
 
-	//  HTTP API specifications to generate API attributes.
+	// HTTP API specifications to generate API attributes.
 	httpApiSpec?: [...HTTPAPISpec] @protobuf(4,name=http_api_spec)
 
-	//  Quota specifications to generate quota requirements.
+	// Quota specifications to generate quota requirements.
 	quotaSpec?: [...QuotaSpec] @protobuf(5,name=quota_spec)
 
-	//  Specifies the behavior when the client is unable to connect to Mixer.
-	//  This is the service-level policy. It overrides
-	//  [mesh-level
-	//  policy][istio.mixer.v1.config.client.TransportConfig.network_fail_policy].
+	// Specifies the behavior when the client is unable to connect to Mixer.
+	// This is the service-level policy. It overrides
+	// [mesh-level
+	// policy][istio.mixer.v1.config.client.TransportConfig.network_fail_policy].
 	networkFailPolicy?: NetworkFailPolicy @protobuf(7,name=network_fail_policy)
 
-	//  Default attributes to forward to upstream. This typically
-	//  includes the "source.ip" and "source.uid" attributes.
-	//  In case of a per-route override, per-route attributes take precedence
-	//  over the attributes supplied in the client configuration.
-	// 
-	//  Forwarded attributes take precedence over the static Mixer attributes.
-	//  The full order of application is as follows:
-	//  1. static Mixer attributes from the filter config;
-	//  2. static Mixer attributes from the route config;
-	//  3. forwarded attributes from the source filter config (if any);
-	//  4. forwarded attributes from the source route config (if any);
-	//  5. derived attributes from the request metadata.
+	// Default attributes to forward to upstream. This typically
+	// includes the "source.ip" and "source.uid" attributes.
+	// In case of a per-route override, per-route attributes take precedence
+	// over the attributes supplied in the client configuration.
+	//
+	// Forwarded attributes take precedence over the static Mixer attributes.
+	// The full order of application is as follows:
+	// 1. static Mixer attributes from the filter config;
+	// 2. static Mixer attributes from the route config;
+	// 3. forwarded attributes from the source filter config (if any);
+	// 4. forwarded attributes from the source route config (if any);
+	// 5. derived attributes from the request metadata.
 	forwardAttributes?: v1.Attributes @protobuf(8,type=Attributes,name=forward_attributes)
 }
 
-//  Defines the transport config on how to call Mixer.
+// Defines the transport config on how to call Mixer.
 TransportConfig: {
-	//  The flag to disable check cache.
+	// The flag to disable check cache.
 	disableCheckCache?: bool @protobuf(1,name=disable_check_cache)
 
-	//  The flag to disable quota cache.
+	// The flag to disable quota cache.
 	disableQuotaCache?: bool @protobuf(2,name=disable_quota_cache)
 
-	//  The flag to disable report batch.
+	// The flag to disable report batch.
 	disableReportBatch?: bool @protobuf(3,name=disable_report_batch)
 
-	//  Specifies the behavior when the client is unable to connect to Mixer.
-	//  This is the mesh level policy. The default value for policy is FAIL_OPEN.
+	// Specifies the behavior when the client is unable to connect to Mixer.
+	// This is the mesh level policy. The default value for policy is FAIL_OPEN.
 	networkFailPolicy?: NetworkFailPolicy @protobuf(4,name=network_fail_policy)
 
-	//  Specify refresh interval to write Mixer client statistics to Envoy share
-	//  memory. If not specified, the interval is 10 seconds.
+	// Specify refresh interval to write Mixer client statistics to Envoy share
+	// memory. If not specified, the interval is 10 seconds.
 	statsUpdateInterval?: time.Duration @protobuf(5,type=google.protobuf.Duration,name=stats_update_interval)
 
-	//  Name of the cluster that will forward check calls to a pool of mixer
-	//  servers. Defaults to "mixer_server". By using different names for
-	//  checkCluster and reportCluster, it is possible to have one set of
-	//  Mixer servers handle check calls, while another set of Mixer servers
-	//  handle report calls.
-	// 
-	//  NOTE: Any value other than the default "mixer_server" will require the
-	//  Istio Grafana dashboards to be reconfigured to use the new name.
+	// Name of the cluster that will forward check calls to a pool of mixer
+	// servers. Defaults to "mixer_server". By using different names for
+	// checkCluster and reportCluster, it is possible to have one set of
+	// Mixer servers handle check calls, while another set of Mixer servers
+	// handle report calls.
+	//
+	// NOTE: Any value other than the default "mixer_server" will require the
+	// Istio Grafana dashboards to be reconfigured to use the new name.
 	checkCluster?: string @protobuf(6,name=check_cluster)
 
-	//  Name of the cluster that will forward report calls to a pool of mixer
-	//  servers. Defaults to "mixer_server". By using different names for
-	//  checkCluster and reportCluster, it is possible to have one set of
-	//  Mixer servers handle check calls, while another set of Mixer servers
-	//  handle report calls.
-	// 
-	//  NOTE: Any value other than the default "mixer_server" will require the
-	//  Istio Grafana dashboards to be reconfigured to use the new name.
+	// Name of the cluster that will forward report calls to a pool of mixer
+	// servers. Defaults to "mixer_server". By using different names for
+	// checkCluster and reportCluster, it is possible to have one set of
+	// Mixer servers handle check calls, while another set of Mixer servers
+	// handle report calls.
+	//
+	// NOTE: Any value other than the default "mixer_server" will require the
+	// Istio Grafana dashboards to be reconfigured to use the new name.
 	reportCluster?: string @protobuf(7,name=report_cluster)
 
-	//  Default attributes to forward to Mixer upstream. This typically
-	//  includes the "source.ip" and "source.uid" attributes. These
-	//  attributes are consumed by the proxy in front of mixer.
+	// Default attributes to forward to Mixer upstream. This typically
+	// includes the "source.ip" and "source.uid" attributes. These
+	// attributes are consumed by the proxy in front of mixer.
 	attributesForMixerProxy?: v1.Attributes @protobuf(8,type=Attributes,name=attributes_for_mixer_proxy)
 }
 
-//  Defines the client config for HTTP.
+// Defines the client config for HTTP.
 HttpClientConfig: {
-	//  The transport config.
+	// The transport config.
 	transport?: TransportConfig @protobuf(1)
 
-	//  Map of control configuration indexed by destination.service. This
-	//  is used to support per-service configuration for cases where a
-	//  mixerclient serves multiple services.
+	// Map of control configuration indexed by destination.service. This
+	// is used to support per-service configuration for cases where a
+	// mixerclient serves multiple services.
 	serviceConfigs: {
 		<_>: ServiceConfig
 	} @protobuf(2,type=map<string,ServiceConfig>,service_configs)
 
-	//  Default destination service name if none was specified in the
-	//  client request.
+	// Default destination service name if none was specified in the
+	// client request.
 	defaultDestinationService?: string @protobuf(3,name=default_destination_service)
 
-	//  Default attributes to send to Mixer in both Check and
-	//  Report. This typically includes "destination.ip" and
-	//  "destination.uid" attributes.
+	// Default attributes to send to Mixer in both Check and
+	// Report. This typically includes "destination.ip" and
+	// "destination.uid" attributes.
 	mixerAttributes?: v1.Attributes @protobuf(4,type=Attributes,name=mixer_attributes)
 
-	//  Default attributes to forward to upstream. This typically
-	//  includes the "source.ip" and "source.uid" attributes.
+	// Default attributes to forward to upstream. This typically
+	// includes the "source.ip" and "source.uid" attributes.
 	forwardAttributes?: v1.Attributes @protobuf(5,type=Attributes,name=forward_attributes)
 }
 
-//  Defines the client config for TCP.
+// Defines the client config for TCP.
 TcpClientConfig: {
-	//  The transport config.
+	// The transport config.
 	transport?: TransportConfig @protobuf(1)
 
-	//  Default attributes to send to Mixer in both Check and
-	//  Report. This typically includes "destination.ip" and
-	//  "destination.uid" attributes.
+	// Default attributes to send to Mixer in both Check and
+	// Report. This typically includes "destination.ip" and
+	// "destination.uid" attributes.
 	mixerAttributes?: v1.Attributes @protobuf(2,type=Attributes,name=mixer_attributes)
 
-	//  If set to true, disables Mixer check calls.
+	// If set to true, disables Mixer check calls.
 	disableCheckCalls?: bool @protobuf(3,name=disable_check_calls)
 
-	//  If set to true, disables Mixer check calls.
+	// If set to true, disables Mixer check calls.
 	disableReportCalls?: bool @protobuf(4,name=disable_report_calls)
 
-	//  Quota specifications to generate quota requirements.
-	//  It applies on the new TCP connections.
+	// Quota specifications to generate quota requirements.
+	// It applies on the new TCP connections.
 	connectionQuotaSpec?: QuotaSpec @protobuf(5,name=connection_quota_spec)
 
-	//  Specify report interval to send periodical reports for long TCP
-	//  connections. If not specified, the interval is 10 seconds. This interval
-	//  should not be less than 1 second, otherwise it will be reset to 1 second.
+	// Specify report interval to send periodical reports for long TCP
+	// connections. If not specified, the interval is 10 seconds. This interval
+	// should not be less than 1 second, otherwise it will be reset to 1 second.
 	reportInterval?: time.Duration @protobuf(6,type=google.protobuf.Duration,name=report_interval)
 }