Update changelog and version

Author: gspencergoog

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 0.21.0-dev.1
+* Added the ability to run external tools on a section of documentation and replace it with the output of the tool.
+
 ## 0.21.0-dev.0
 * Expand categories to all top level items as well as libraries.  (#1681, #1353)
 * The categoryOrder option in dartdoc_options.yaml and the command line

lib/src/version.dart

@@ -1,6 +1,6 @@
 name: dartdoc
 # Also update the `version` field in lib/dartdoc.dart.
-version: 0.21.0-dev.0
+version: 0.21.0-dev.1
 author: Dart Team <misc@dartlang.org>
 description: A documentation generator for Dart.
 homepage: https://github.com/dart-lang/dartdoc

pubspec.yaml

@@ -4,7 +4,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1">
-  <meta name="generator" content="made with love by dartdoc 0.21.0-dev.0">
+  <meta name="generator" content="made with love by dartdoc 0.21.0-dev.1">
   <meta name="description" content="test_package API docs, for the Dart programming language.">
   <title>test_package - Dart API docs</title>
 

testing/test_package_docs_dev/__404error.html

@@ -4,7 +4,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1">
-  <meta name="generator" content="made with love by dartdoc 0.21.0-dev.0">
+  <meta name="generator" content="made with love by dartdoc 0.21.0-dev.1">
   <meta name="description" content="test_package API docs, for the Dart programming language.">
   <title>test_package - Dart API docs</title>