FileSpecification Rationalize Function. Removes any obsolescent and redundant entries. ABCpdf .NET PDF Library. From ABCpdf .net previous page next page Rationalize Function Removes any obsolescent and redundant entries. Syntax [C#] void Rationalize() [Visual Basic] Sub Rationalize() Params Name Description none n/a Notes Removes any obsolescent and redundant entries. This will converts the object to be compliant with the changes recommended in the PDF 1.7 standard. Example None. previous page start next page