anchor.diff:  もしこれらの機能を有効化したい場合, 明示的にセーフモードを `:server` (推奨)か `:safe` にする必要があります.
   
   AsciiDoc文字列を埋め込みHTML(HTMLページヘの挿入)へ変換することもできます:
  -////
  -WARNING: When using Asciidoctor via the API, the default safe mode is `:secure`.
  -In secure mode, several core features are disabled, including the `include` directive.
  -If you want to enable these features, you'll need to explicitly set the safe mode to `:server` (recommended) or `:safe`.
  -
  -You can also convert an AsciiDoc string to embeddable HTML (for inserting in an HTML page) using:
  -////
   
   [source]
   ----
  
positive.code: 
  Asciidoctorは下図の左側のパネルに示されるように, 平文で書かれた内容を読み, 右のパネルに描かれるようにHTML5に変換します.
  Asciidoctorは枠にとらわれない快適なエクスペリエンスのためにデフォルトスタイルシートをHTML5時メントに適用します.
  ////
  Asciidoctor reads content written in plain text, as shown in the panel on the left in the image below, and converts it to HTML5, as shown rendered in the right panel.
  Asciidoctor applies a default stylesheet to the HTML5 document to provide a pleasant out-of-the-box experience.
  ////
  
  image::{image-uri-screenshot}[Preview of AsciiDoc source and corresponding rendered HTML]
  
  
negative.code: 
  AsciidoctorはAPIを提供します.
  APIは他のRubyソフトウェア, Rails, SinatraとGitHub, そして他の言語, Java (via {uri-asciidoctorj}[AsciidoctorJ] )とJavaScript (via {uri-asciidoctorjs}[Asciidoctor.js])との統合を意図しています.
  
  === Command line interface (CLI)
  
  