Question: Logical device units
According to the docs (https://docs.gtk.org/Pango/method.FontDescription.set_size.html, emphasis added):
The conversion factor between points and device units depends on system configuration and the output device. For screen display, a logical DPI of 96 is common, ...
When using Pango with a Cairo PDF surface I would expect this to be 72 to correspond to the PDF standard device units. Is there a way to set this?