Rakefile in opal-0.3.17 vs Rakefile in opal-0.3.18

@@ -11,12 +11,13 @@
     o.write Opal::Builder.runtime
   end
 end
 
 Opal::BuilderTask.new do |t|
-  t.name  = 'opal'
-  t.files = []
+  t.name         = 'opal'
+  t.files        = []
+  t.specs_dir    = './core/spec'
   t.dependencies = %w[opal-spec opal-racc opal-strscan]
 end
 
 desc "Check file sizes for opal.js runtime"
 task :sizes do
@@ -76,26 +77,28 @@
         sh 'git checkout gh-pages'
       end
     end
   end
 
-  task :index do
+  task :build do
     require 'redcarpet'
     require 'albino'
 
     klass = Class.new(Redcarpet::Render::HTML) do
       def block_code(code, language)
         Albino.new(code, language || :text).colorize
       end
     end
 
     markdown = Redcarpet::Markdown.new(klass, :fenced_code_blocks => true)
+    sources  = %w[index]
 
-    File.open('gh-pages/index.html', 'w+') do |o|
-      o.write File.read('docs/pre.html')
-      o.write markdown.render(File.read 'docs/index.md')
-      o.write markdown.render(File.read 'CHANGELOG.md')
-      o.write File.read('docs/post.html')
+    sources.each do |s|
+      File.open(File.join('gh-pages', "#{s}.html"), 'w+') do |o|
+        o.write File.read('docs/pre.html')
+        o.write markdown.render(File.read "docs/#{s}.md")
+        o.write File.read('docs/post.html')
+      end
     end
   end
 
   task :copy do
     FileUtils.cp 'build/opal.js',   'gh-pages/opal.js'
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