Selecting Flips Text in Certain PDF
I'm not sure if this is a consequence of how the PDF was created or some deep regression on my own system, but selecting text in this PDF:
https://ok1.de/thinkpad/HMM/e470_e470c_e475_hmm_en.pdf - ThinkPad E470, E470c, E475 Maintenance Manual
causes text to flip upside down while selected, resulting in the following:
Using a sample PDF:
http://www.africau.edu/images/default/sample.pdf - Sample PDF
Selecting text works as expected and text is expectedly upright like it should.