[DOC] Add rdoc task

Author: nobu

.document

@@ -0,0 +1,4 @@
+COPYING
+*.md
+*.txt
+ext/

.gitignore

@@ -4,6 +4,7 @@
 /_yardoc/
 /coverage/
 /doc/
+/html
 /pkg/
 /spec/reports/
 /tmp/

.rdoc_options

@@ -0,0 +1,2 @@
+---
+main_page: README.md

Rakefile

@@ -1,5 +1,6 @@
 require "bundler/gem_tasks"
 require "rake/testtask"
+require "rdoc/task"
 
 name = "stringio"
 
@@ -35,5 +36,8 @@ Rake::TestTask.new(:test) do |t|
   t.test_files = FileList["test/**/test_*.rb"]
 end
 
+RDoc::Task.new do |rdoc|
+end
+
 task :default => :test
 task :test => :compile

ext/stringio/.document

@@ -0,0 +1 @@
+*.[ch]