> But, the output direct to PDF from 'groff' does not match that of > going to Postscript and then converting that to PDF using 'ps2pdf'.
The main difference that I can see is that in p8ps.pdf the symbol font has been scaled to match the x-height of the text font. In p8pdf.pdf the Greek letters (alpha, beta, pi) are too large, resulting in an unpleasant appearance of equations containing these symbols.
