anchor.diff:  |depends|Dependency between resources applied to the orignal source documents. This information are used only to decide whether the corresponding outputs are up to date. +
   For details, see <<dependency.depends, "Depends element">> section. | No; can appear at most once
   
  +|xmlcatalog|An Ant's _XMLCatalog_ for the processing of the original source files and XSLT transformation performed by _Transform_ filters. Use of this catalog is disabled by setting _cache_ attribute of the drivers to +yes+ explicitly. Also see note.| No; can appear at most once
  +
   |transform|A _Transform_ sink. .4+| No; at least one sink required
   
   |all|An _All_ sink.
  
positive.code: 
  |Other _MatchingTask_'s nested elements|Please consult Ant's document.|No
  |=================
  
  ===== Meta element's attributes
  
  
negative.code: |Other _MatchingTask_'s attributes|Please consult Ant's document.|No
  |=================
  
  [[actors.chionographis.children]]
  ==== Nested elements
  
  [options="header", cols="1,3,1"]
  