anchor.diff:  [{'decimal-formats', []}, 
   {sources, []}, 
   {collections, []}, 
  -{'static-base-uri', [{"http://www.w3.org/qt3/app/UseCaseJSON/"}]}, 
  +{'static-base-uri', [{"http://www.w3.org/2010/09/qt-fots-catalog/UseCaseJSON/"}]}, 
   {params, []}, 
   {vars, []}, 
   {namespaces, []},
  
positive.code: [{'decimal-formats', []}, 
  {sources, []}, 
  {collections, []}, 
  {'static-base-uri', [{"http://www.w3.org/qt3/app/UseCaseJSON/"}]}, 
  {params, []}, 
  {vars, []}, 
  {namespaces, []},
  
negative.code: [{'decimal-formats', []}, 
  {sources, []}, 
  {collections, []}, 
  {'static-base-uri', [{"http://www.w3.org/2010/09/qt-fots-catalog/UseCaseJSON/"}]}, 
  {params, []}, 
  {vars, []}, 
  {namespaces, []},
  