Re: ps2pdf / eqn / square root problem

[Didier Link]

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Le Mon, 23 Jul 2007 15:21:37 -0700,
Greg Shenaut <address@hidden> a écrit :

> I don't know if this is the right place to direct this problem. I  

Hi Greg, maybe it's the good place if you use the GNU version of
ghostscript ;)

> have a manuscript that I format with groff -e -ms, that has an
> inline equation using the eqn "sqrt" operator. When I format the
> manuscript to postscript, and look at it (with gv) or print it on a
> postscript printer, the square-root radical comes out perfectly.
> However, when I use ps2pdf to "distill" the postscript to pdf, it is
> messed up: the equation starts OK, the √ seems ok, but the line over
> the contents of the radical begins on top of the radical. (When I use
> Adobe or pstopdf, I get even worse errors with this.) It appears to
> be an interaction between how groff generates the postscript code and
> how the pdf distillers interpret it. Since the groff-generated
> postscript prints correctly, I'm assuming that it's mostly a
> gs/ps2pdf problem.
> 
> I am using OSX 10.4.10 (macports), groff 1.19.2_1, and ghostscript  
> 8.54_0.

Have you the possibility to upgrade your ghostscript version ? For GNU
one the 8.56.0 is out since montes now and the GPL version is 8.57
since may of 2007.

> 
> For the moment, I've used a little algebra and rewritten the
> relevant section of my manuscript in such a way as to avoid the
> square root, but it would be really great if someone could take a
> look at this for future purposes. I've attached a short example in
> postscript along with the corresponding output of ps2pdf.

They don't receive any sample, can you resend please ? Or put this
files on a public place to download ?

> 
> Thanks,
> Greg Shenaut
> 

Thanks for your report.

Regards.

Didier LINK

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