Let's see the above result: $ fc-match :pixelsize=10:scalable=false:lang=en helvR10-ISO8859-1.pcf.gz: "Helvetica" "Regular" $ fc-match :pixelsize=12:scalable=false:lang=en helvR12-ISO8859-1.pcf.gz: "Helvetica" "Regular" $ fc-match :pixelsize=14:scalable=false:lang=en helvR10-ISO8859-1.pcf.gz: "Helvetica" "Regular" $ fc-match :pixelsize=16:scalable=false:lang=en helvR12-ISO8859-1.pcf.gz: "Helvetica" "Regular" $ fc-match :pixelsize=18:scalable=false:lang=en helvR18-ISO8859-1.pcf.gz: "Helvetica" "Regular" If no fonts installed for requested size, it fc-match doesn't return the near-sized font. that may causes the ugly rendering.
erm, false alarm. they were picking up a font in different dpi
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