[Jprogramming] Greek letters in plot titles, axis labels

[J. Patrick Harrington]

I would like to put a Greek \mu (μ) in the y-axis label of a plot. If I 
just cut & paste the symbol it looks OK in the pd command
    pd 'ycaption Polarization (-Q/I) for μ = 0.1'
and when I do pd'show' or pd'jpg' the result is fine, but pd'pdf' gives
a 1/4 character instead of μ. Any suggestions on how to proceed?
Thanks, Patrick
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