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...ed. For example, library(Cairo) Cairo(file='cairo_created', type='pdf', dpi=100) plot(1:10) dev.off() This produces the following attached 'cairo_created.pdf' graph. Notice how the text is italicized. The same code but using pdf() as the graphics device: pdf(file='pdf_created.pdf') plot(1:10) dev.off() Produces the attached 'pdf_created.pdf' graph in which the text is non-italicized. I am unable to find out what the difference is here and set the Cairo() function to produce non-italicized text in my graphs. Both graphic devices appear to default to Helvet...