Alice Johnstone wrote:

> I have produced a series of graphs with the png command, however when I
> have finally printed these out the black text appears to have a colour
> shadow with blue or red on either side of the letter.

What you’re seeing is likely subpixel antialiasing. How to ‘fix’ this 
depends on your platform. For Windows, I believe you have to turn off 
ClearType for fonts. For Linux, see ?X11.options.

-- 
Karl Ove Hufthammer

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