3
As you can read on the Documentation page "Incompatible Changes since Mathematica Version 1" (thanks Alan for the link!), starting from version 12.2
The default element for Import[file,"PDF"] has been changed from Graphics to Image. Previous behavior can be accessed by specifying "PageGraphics" upon import.
There are two ways ...
1
An internal hack, and therefore not guaranteed to work in future, to change the default element to "PageGraphics" is as follows:
System`ConvertersDump`defaultElement[Import]["PDF"] =
{"PageGraphics"};
Import["ExampleData/mathematica.pdf"]
Head /@ %
(* {Graphics} *)
The change will persist until reset or the kernel ...
1
Here is my workaround for this problem. (The package is assumed to be unzipped in "C:/Parent" directory.)
(1) Find the "init.m" file in the directory "C:/Parent/KnotTheory".
(2) Open the file with a text editor, and replace the lines 51-53
KnotTheoryDirectory[] = (File /.Flatten[FileInformation[ToFileName[#,"KnotTheory&...
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