Hi again,
Thanks for a commented and clear answer. 

I am not complaining about anything and I agree that besides buying your
ecellent book 20 months ago, that has helped me enormously sofar, I can only
wait to buy the second edition, when ready.

My first post on the subject was on May 2008 and Leonard was very kind at
the time to provide a rather generic answer (based on the PDF reference),
which although correct, couldn't be applied. As I was rather academically
interested at that time, I let it pass. Now I had to decide if I could use
iText (as is) to solve a real problem, or abide by the limitations of my
solution. 

Thank you for clearing this out (even as a negative - cant be done manner). 
I believe iText is a great product sofar and maybe some future edition
extends functionality in this multicolor offset printing realm along with
its widening market acceptance. Afterall it's all about PDF :)

Thanks Bruno for iText
George

P.S. I think the only way to bypass the limitation as it stands, is to know
before hand the names of all the spot colors besides CMYK, in the print job.
This way I could use these colorants names in setColorStroke(PdfSpotColor,
tint) and draw my registration marks once for C=1,M=1,Y=1,K=1 and one for
each spot color.  What do you think?



1T3XT info wrote:
> 
> George Bilalis wrote:
>> Registration (typographers) marks have to appear in ALL separated color
>> plates of a multicolor job (CMYK plus Spot colors). What named color
>> should
>> I use according to the above definitions?
> 
> I don't know because I never had to do this in a project.
> 
> Everything that is offered for free in iText was written because 
> somebody needed it in a project (and spent time and/or money on it). 
> Some part of what is offered for free was written for fun.
> 
>> I know I have to use a colorSpace "separation" and a colorant "All"
>> according to PDF reference, but I can't see how to accomplish this with
>> above API definitions.
> 
> I should look that up in the PDF Reference, but I don't have any time to 
> do that.
> 
>> (I hope this helps you understand the nature of my question)
> 
> I don't have the time to do the needed research to understand your 
> question. Please understand that you're using iText for free and that 
> your asking something that falls outside of the scope of what can be 
> offered for free.
> -- 
> This answer is provided by 1T3XT BVBA
> http://www.1t3xt.com/ - http://www.1t3xt.info
> 
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