> Dear list,
> 
> I have a document that is confidential, and I will export it when
> finished into postscript.
> 
> I would then like to take the postscript and either put black boxes over
> the confidential stuff or remove it. But what remains must be
> pixel-accurate compared to the uncencored version - if possible.
> 
> I figure this is possible in ps, just subtract text and add box objects
> - but I have no idea how to do it.
> 
> Are there any editors I can get my hands on that will do that?

I've not tried this myself but you might want to check out pstoedit and 
edit the result with xfig. According to the docs pstoedit will also 
produce Latex2e O/P.

Tom.

-- 
Tom Crane, Dept. Physics, Royal Holloway, University of London, Egham Hill,
Egham, Surrey, TW20 0EX, England. 
Email:  [EMAIL PROTECTED] or [EMAIL PROTECTED]
SPAN:   19.875
Fax:    +44 (0) 1784 472794

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