This Enfocus PitStop command allows us to check if a document contains any enforced display or reproduction preferences.
Warning: From version 2.0 of the PDF format, an "Enforce" dictionary has been introduced to allow the enforcing of display or reproduction preferences on any PDF 2.0 compliant software.
At this moment, the only entry allowed in this type of dictionary is "Printscaling", which imposes or prevents a specific reproduction size when printing; e.g. to print a document always its actual size (1:1 scale).
This viewer preferences enforcing is not related to the initial presentation of a PDF document in the traditional sense.
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