Small dartdoc fixes.

sdk/lib/_internal/dartdoc/bin/dartdoc.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.
 
 /**
  * To generate docs for a library, run this script with the path to an
  * entrypoint .dart file, like:
  *
  *     $ dart dartdoc.dart foo.dart
  *
@@ skipping 119 matching lines @@
         'library names, or call this option multiple times.',
       callback: (incLibs) {
         if(!incLibs.isEmpty) {
           List<String> allLibs = new List<String>();
           for(final lst in incLibs) {
             var someLibs = lst.split(',');
             for(final lib in someLibs) {
               allLibs.add(lib);
             }
           }
-          dartdoc.excludedLibraries = allLibs;
+          dartdoc.includedLibraries = allLibs;

[Johnni Winther, 2013/04/08 13:06:23]

Currently, the dartdoc testing infrastructure does not support testing of
options.

         }
       }, allowMultiple: true);
 
   argParser.addOption('exclude-lib',
       help: 'Use this option to explicitly specify which\n'
         'libraries to exclude from the documentation. If\n'
         'omitted, no libraries are excluded. Specify a\n'
         'comma-separated list of library names, or call\n'
         'this option multiple times.',
       callback: (excLibs) {
@@ skipping 100 matching lines @@
               '${dartdoc.totalTypes} types, and ${dartdoc.totalMembers} '
               'members.');
       }
     });
   }, onError: (AsyncError asyncError) {
     print('Generation failed: ${asyncError.error}');
     dartdoc.cleanup();
     exit(1);
   });
 }