code: function _highlightBlockForLanguage(code, language, onComplete) {
          var patterns = _getPatternsForLanguage(language);
          _processCodeWithPatterns(_htmlEntities(code), patterns, onComplete);
      }
docs: takes a string of code and highlights it according to the language specified
  
  @param {string} code
  @param {string} language
  @param {Function} onComplete
  @returns void