[html5lib] triple slash comment style

pkg/third_party/html5lib/lib/parser_console.dart

-/**
- * This library adds `dart:io` support to the HTML5 parser. Call
- * [initDartIOSupport] before calling the [parse] methods and they will accept
- * a [RandomAccessFile] as input, in addition to the other input types.
- */
+/// This library adds `dart:io` support to the HTML5 parser. Call
+/// [initDartIOSupport] before calling the [parse] methods and they will accept
+/// a [RandomAccessFile] as input, in addition to the other input types.
 library parser_console;
 
 import 'dart:io';
 import 'parser.dart';
 import 'src/inputstream.dart' as inputstream;
 
-/**
- * Adds support to the [HtmlParser] for running on a console VM. In particular
- * this means it will be able to handle `dart:io` and [RandomAccessFile]s as
- * input to the various [parse] methods.
- */
+/// Adds support to the [HtmlParser] for running on a console VM. In particular
+/// this means it will be able to handle `dart:io` and [RandomAccessFile]s as
+/// input to the various [parse] methods.
 void useConsole() {
   inputstream.consoleSupport = new _ConsoleSupport();
 }
 
 class _ConsoleSupport extends inputstream.ConsoleSupport {
   List<int> bytesFromFile(source) {
     if (source is! RandomAccessFile) return null;
     return readAllBytesFromFile(source);
   }
 }
 
 // TODO(jmesserly): this should be `RandomAccessFile.readAllBytes`.
-/** Synchronously reads all bytes from the [file]. */
+/// Synchronously reads all bytes from the [file].
 List<int> readAllBytesFromFile(RandomAccessFile file) {
   int length = file.lengthSync();
   var bytes = new List<int>(length);
 
   int bytesRead = 0;
   while (bytesRead < length) {
     int read = file.readIntoSync(bytes, bytesRead, length - bytesRead);
     if (read <= 0) {
       // This could happen if, for example, the file was resized while
       // we're reading. Just shrink the bytes array and move on.
       bytes = bytes.sublist(0, bytesRead);
       break;
     }
     bytesRead += read;
   }
   return bytes;
 }