Download RubyDocumentWithSyntaxHighlighting chrome extension. This extension extend Japanese Ruby document(https://docs.ruby-lang.org/ja/) with syntax highlighting. and install in your Google chrome browser. This is Direct RubyDocumentWithSyntaxHighlighting Crx download for Chrome it is also called RubyDocumentWithSyntaxHighlighting offline CRX for chrome Download. This RubyDocumentWithSyntaxHighlighting is used to This extension extend Japanese Ruby document(https://docs.ruby-lang.org/ja/) with syntax highlighting.