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Using the Publish function of VisualAge Pacbase 3.5ZIPPDF (letter)PDF (A4)
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2. How does it work
  


What is a Processing instruction in a document? page 4 of 5


In the source panel processing instruction are used to access VAP entities


A Processing instruction : is a block that contains code. This code will be processed by another tool than the XML parser .

It contain :

  • Operation : contain at least one observation
    • Observation : is a list of elements which conform to a specific grammar and make it possible to explore the VA Pac Metamodel, fetch information and perform tasks on the fetched information. An observation is constituted of one or more operand(s) which vary according to the entity on which the Document bears (ex: the 'allSegments' operand is available among the observations of a Document which bears on a Data Structure but not on a Document which bears on a Data Element.)
  • selection : to modify the way to iterate on each of the elements resulting from an observation.
Definition
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