anchor.diff:  | Column 2
   
   |A1
  -a|A2
  -
  +a|
  +* A2
   * A3
   * A4
  -* A5
  -
   |===
  
positive.code: | Column 2
  
  |A1
  a|A2
  
  * A3
  * A4
  * A5
  
  |===
  ....
  
  
negative.code: 
  == Table with AsciiDoc Cell
  
  Table cells may also contain structured content, e.g. bullet lists:
  
  [listing]
  ....
  [cols="2", options="header"]
  