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PENDIA.......Pen diameter scale factor (default 0.0). This option
allows one to simulate a thick pen when text is drawn.
Each character is drawn repeatedly, stepping its origin
around a small circle representing the pen diameter. For
convenience, the diameter value is given as a fraction of
the character height, rather than as an absolute number.
A value of about 0.01 to 0.03 often gives reasonable
results. A value of 0.0 will revert to normal text
plotting.