README.rdoc in hanzi_to_pinyin-0.6.0 vs README.rdoc in hanzi_to_pinyin-0.6.1

@@ -2,13 +2,13 @@
 
 translate chinese to pinyin , fetch first letter OR full pinyin
 
 == Install
 
-rails3 
+rails3
 
-  $ gem 'hanzi_to_pinyin' , '0.5.0'
+  $ gem 'hanzi_to_pinyin' , '0.6.0' , require: 'hanzi_to_pinyin'
 or latest develop version
   $ gem 'hanzi_to_pinyin' , git: 'git://github.com/wxianfeng/hanzi_to_pinyin.git'
 or freeze ref version
   $ gem 'hanzi_to_pinyin' , git: 'git://github.com/wxianfeng/hanzi_to_pinyin.git' , ref: 5fa43b0
 
@@ -24,12 +24,16 @@
 
   # 只处理汉字和数字 多音字,分隔 字字之间;分隔
   $ HanziToPinyin.hanzi_2_py("我们") => "wo;men"
   $ HanziToPinyin.hanzi_2_py("查理Smith") => "cha,zha;li"
   $ HanziToPinyin.hanzi_2_py("测试1") => "ce;shi;1"
+  $ HanziToPinyin.hanzi_2_py("测_试") => "ce;_;shi"
 
-  $ HanziToPinyin.is_number?("1") => true
-  $ HanziToPinyin.is_number?("a") => false
+  $ HanziToPinyin.is_number?("1".ord) => true
+  $ HanziToPinyin.is_number?("a".ord) => false
+
+  $ HanziToPinyin.is_underline?("_".ord).should be_true
+  $ HanziToPinyin.is_underline?("豆豆").should be_false
 
 == Test
   $ rake spec
 or spec one case
   $ rspec spec/hanzi_to_pinyin/hanzi_to_pinyin_spec.rb -l 21