An unrelated tip for people that use TeX and want good PDFs. If you have an old .ps file with bitmap fonts from dvips, and can't recompile the .tex source, it's

An unrelated tip for people that use TeX and want good PDFs. If you have an old .ps file with bitmap fonts from dvips, and can't recompile the .tex source, it's still possible to get a nice PDF with Type 1 fonts: pkfix-helper input.ps tmp.ps pkfix tmp.ps output.ps output.ps will now have Type 1 fonts, and can be converted to a good PDF with ps2pdf. The pkfix-helper man page says how to check and tweak the font substitutions.