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This property specifies the pages to be operated upon.
Adding pages to a PageContents object can be a costly procedure taking a noticable amount of time.
So if you are performing a set of analysis operations on the same pages it can be more efficient to assign the PageContents from one to another rather than repeatedly re-populate from the original document.
Note that the UnembedComplexFonts option normally results in document-wide changes. If this happens the PageContents may be invalidated and will have to be re-built if required again. While this happens invisibly it is a relatively expensive operation and for this reason it is a good idea to perform this type of operation last rather than first if you are performing a chain of operations.
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