I have no idea what I've done but my fonts were perfect before I decided to add more.

I ruined Okular and Evince but -- out of curiousity -- installed Pdfedit and noticed that Pdfedit is FINE

What have I done to my beautiful Okular

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P.S. I already tried to going to `Appearances >> Fonts' but that didn't do anything. I've updated the font-cache... and now I'm stuck. Advice much obliged!