Convert /** comments to /// in pub.

utils/pub/yaml/yaml.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library yaml;
 
 import 'dart:math' as Math;
 
 import 'deep_equals.dart';
 
 part 'yaml_map.dart';
 part 'model.dart';
 part 'parser.dart';
 part 'visitor.dart';
 part 'composer.dart';
 part 'constructor.dart';
 
-/**
- * Loads a single document from a YAML string. If the string contains more than
- * one document, this throws an error.
- *
- * The return value is mostly normal Dart objects. However, since YAML mappings
- * support some key types that the default Dart map implementation doesn't
- * (null, NaN, booleans, lists, and maps), all maps in the returned document are
- * YamlMaps. These have a few small behavioral differences from the default Map
- * implementation; for details, see the YamlMap class.
- */
+/// Loads a single document from a YAML string. If the string contains more than
+/// one document, this throws an error.
+///
+/// The return value is mostly normal Dart objects. However, since YAML mappings
+/// support some key types that the default Dart map implementation doesn't
+/// (null, NaN, booleans, lists, and maps), all maps in the returned document
+/// are YamlMaps. These have a few small behavioral differences from the default
+/// Map implementation; for details, see the YamlMap class.
 loadYaml(String yaml) {
   var stream = loadYamlStream(yaml);
   if (stream.length != 1) {
     throw new YamlException("Expected 1 document, were ${stream.length}");
   }
   return stream[0];
 }
 
-/**
- * Loads a stream of documents from a YAML string.
- *
- * The return value is mostly normal Dart objects. However, since YAML mappings
- * support some key types that the default Dart map implementation doesn't
- * (null, NaN, booleans, lists, and maps), all maps in the returned document are
- * YamlMaps. These have a few small behavioral differences from the default Map
- * implementation; for details, see the YamlMap class.
- */
+/// Loads a stream of documents from a YAML string.
+///
+/// The return value is mostly normal Dart objects. However, since YAML mappings
+/// support some key types that the default Dart map implementation doesn't
+/// (null, NaN, booleans, lists, and maps), all maps in the returned document
+/// are YamlMaps. These have a few small behavioral differences from the default
+/// Map implementation; for details, see the YamlMap class.
 List loadYamlStream(String yaml) {
   return new _Parser(yaml).l_yamlStream().map((doc) =>
       new _Constructor(new _Composer(doc).compose()).construct());
 }
 
-/** An error thrown by the YAML processor. */
+/// An error thrown by the YAML processor.
 class YamlException implements Exception {
   String msg;
 
   YamlException(this.msg);
 
   String toString() => msg;
 }