When I try to use Adobe Illustrator (CS4) to edit a PDF file produced by LaTeX with several equations in it, Illustrator complains that it can't find the fonts: The font CMBX10 is missing. Affected text will be displayed using a substitute font. The font CMMI10 is missing. Affected text will be displayed using a substitute font. The font CMMI6 is missing. Affected text will be displayed using a su