anchor.diff:  
   === How to Organize Images by Chapter
   
  -You can set the `imagesdir` attribute per chapter (as long as the attribute is not overridden by the API).
  +You can set the `imagesdir` attribute by chapter (as long as the attribute is not overridden by the API).
   To do so, use an attribute entry to set the value of the `imagesdir` attribute on the line above the include directive for a chapter.
   
   [source,asciidoc]
  
positive.code: 
  === Default Images
  
  The sample book contains placeholder image for an author avatar.
  
  // TODO explain the avatar and book cover images
  
  === Adding the Cover Image
  
  Ereaders have different image resolution and file size limits regarding a book's cover.
  Kindle covers tend to be 1050x1600 (16:9 resolution).
  To ensure your cover displays correctly, you'll want to review the documentation or publisher guidelines for the e-reading platform you're targeting.
  
  WARNING: We've found that if the book cover is more than 1600px on any side, Aldiko will not render it and may even crash.
  
negative.code: 
  Below are several screenshots of this sample book as it appears on an Android phone.
  
  .An example of a chapter title and abstract shown side-by-side in Day and Night modes
  image::chapter-title.png[]
  
  .An example of a section title followed by paragraph text separated by a literal block
  