Re: Postscript output cleanups (Was: gEDA: Slightly improved gschem postscript output)

[DJ Delorie <dj@xxxxxxxxxxx>]

> 1) Change the current style of printing to include a prolog read from a
> file on the disk and inserted into the output script.  This prolog would
> contain the needed drawing code subroutines. The output postscript code
> will contain a comment indicating the location on disk that the prolog
> came from so that other Poscript hackers know where to look to insert
> black magic postscript additions. :-)

Be careful not to suddenly require postscript level 2 or 3!  We ran
into this in PCB.  I think it's safe to put function defs in the
prologs, but not any commands that initialize the graphics state.