Fedora makes bad pdf files?

[Ed Greshko]

Paul Johnson wrote:
> Dear Linux Using Friends:
>
> I've run into a trouble that Firefox users who "print to file" and
> create pdf output generate files that acroread cannot open.
>
> My teaching assistant first discovered this while browsing the web.  A
> variety of pdf created by print to file were viewable in evince, but
> not acrobat.  SInce most students are using acrobat on Windows or
> Macintosh, this created a problem.
>
> In my Ubunutu Linux (Hardy Herron) system, the error message I see
> when I try to open the file is "There was an error processing a page.
> Error while parsing a Form, Type 3 font, or Pattern."  I have not seen
> the Microsoft Acroboat error with my own eyes, but the students
> complain it says "not a valid pdf file."
>
> In one example, the error says "Adobe Reader could not open 'file.pdf'
> because it is either not a supported file type or becausethefile has
> been damaged (for example, it was sent as an email attachment and
> wasn't correctly decoded)".  However, the EXACT same file can be
> viewed with Evince:
>
> http://pj.freefaculty.org/linux/file.pdf
>   
This file is a postscript file....

[egreshko at misty ~]$ file file.pdf
file.pdf: PostScript document text conforming at level 3.0

After a ps2pdf conversion it opens just fine....