> What do you mean by "using them as a starting point to build a new font?" If
> you mean that you will look at the glyphs to have shape ideas, I think that
> is find. If you mean extract the shapes from the PDF to put them in your
> font with little modifications, I highly doubt it. The Unicode charts are
> made with fonts produced by vendors who sell them.
I think there should be a (at least low quality) free unicode font made available by the Unicode Consortium.
Well, if that approach does not work I guess I am going to try to merge existing free fonts. I am having a hard time finding true type free fonts with a good Unicode coverage and acceptable quality.