anchor.diff:      return success([new FencedCodeBlock(res.join(), fenceType, fenceSize, new InfoString(infoString))]).run(s, position);
     });
   
  +
     //
     // Raw html block
     //
  
positive.code:     return res.copy(value: [new SetextHeader(level, inlines)]);
    });
  
    //
    // Indented code
    //
  
negative.code:     _inlinesInDocument(doc);
      return doc;
    }
  
  
    //
    // Preprocess
  