[Xmlgraphics-fop Wiki] Trivial Update of "LogicalStructure" by JostKlopfstein

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The following page has been changed by JostKlopfstein:
http://wiki.apache.org/xmlgraphics-fop/LogicalStructure

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  It is very important to know what exactly the goals are if the right approach is to be chosen (if one wants to minimize the investment). If the goal is accessibility, the whole thing goes in a somewhat different direction than when document conversions are the ultimate goal.
  
+ The first implementation was done for Accessibility - see ["PDF Accessibility"]
+ 
  == Miscellaneous ==
  
  An idea from an interested party has been brought up that using tagged PDF it might be possible to reconstruct the original XML file (not XSL-FO!) that the PDF was constructed from. However, it would make much more external information necessary to try to preserve the structure of the original document which can be considerably different from the XSL-FO document generated from it. This sounds rather unrealistic at this time. It is better to find a way to provide access to the original XML document for the case where access to the original data is required. Round-trips in this context are extremely difficult.

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