anchor.diff:  
   * uncompress PNG files
   * avoid the fallback font if possible (use full fonts in your theme)
  +* font families used in SVGs must match keys in the font catalog
   
   == Open Questions
   
  
positive.code:   - if you indent, perhaps drop the margin between paragraphs?
  * add index support
  * add entry to TOC for preamble/preface
  * allow text alignment of prose to be set in document
  * don't issue warnings on scratch document
  * rake release seems messed up (tagging the wrong commit)
  
negative.code: 
  == TODO
  
  * upgrade Treetop
  * rename example to basic-example and chronicles to chronicles-example
  * recognize inline image syntax in page_background_image key
  * allow front cover and back cover image to be defined in theme; document in theming-guide
  