anchor.diff:  |flag (default: _not set_)
   |:pdfmark:
   
  -|text-align^[7]^
  +|scripts^[7]^
  +|cjk (default: _not set_)
  +|:scripts: cjk
  +
  +|text-align^[8]^
   |<<text-alignments,Text alignment>>
   |:text-align: left
   
  
positive.code: |path^[2]^ {vbar} image macro^[3]^
  |:title-logo-image: image:logo.png[top=25%, align=center, pdfwidth=0.5in]
  
  |title-page^[8]^
  |flag (default: _not set_)
  |:title-page:
  
  
negative.code: . Controls whether the implicit `page-number` attribute is to the running header and footer content specified in the theme file.
  Instead of disabling page numbers, you can use the `noheader` and `nofooter` attributes to disable the running header and footer, respectively.
  . Enables generation of the http://milan.kupcevic.net/ghostscript-ps-pdf/#marks[pdfmark] file, which contains metadata that is fed to Ghostscript when optimizing the PDF file.
  . Activates line break rules for CJK languages.
  Languages like Chinese and Japanese are written without spaces (and may not use spaces when mixing with English words).
  A line break can occur between any two CJK characters.
  These languages also use different punctuation for pause, full stop, and dash, which are taken into account when breaking lines.
  . _(Experimental)_ The `text-align` document attribute is intended as a simple way to toggle text justification.
  The value of this attribute overrides the `base-align` key set by the theme.
  For more fine-grained control, you should customize using the theme.
  