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copied!<p>@danio, @imgen: Even recently released documentation pages on PDF/X (standardized Prepress requirements) and PDF/A (standardized Archiving requirments) generation were quite misleading. (Your link pointed to a v8.63 release.) In the end, it suggested that running the example commandlines using the sample <code>PDF*_def.ps</code> would already generated valid PDF/A and PDF/X files. </p> <p>But, <strong><em>they do not!</em></strong> </p> <p>Here is one of the sample commands, which by itself is correct:</p> <pre><code> gs \ -dPDFA \ -dBATCH \ -dNOPAUSE \ -dNOOUTERSAVE \ -dUseCIEColor \ -sDEVICE=pdfwrite \ -sOutputFile=out-a.pdf \ PDFA_def.ps \ input.ps </code></pre> <p>The output file will <em>declare</em> itself to be PDF/A (and most PDF viewers would happily go along with this), but the output file fails all real compliance tests. </p> <p>The fix is easy: you need to edit your sample <code>PDFA_def.ps</code> (for PDF/X: your <code>PDFX_def.ps</code>) files to match your environments. These required edits were not clearly spelled out in older documentation versions, and the provided command suggested it would work out of the box.</p> <p>Especially in case of PDF/X you <strong><em>MUST</em></strong> specifiy a valid ICC profile to use.</p> <p>See also the updated documentation (current SVN trunk version) about this:</p> <ul> <li><a href="http://svn.ghostscript.com/ghostscript/trunk/gs/doc/Ps2pdf.htm#PDFA" rel="noreferrer">http://svn.ghostscript.com/ghostscript/trunk/gs/doc/Ps2pdf.htm#PDFA</a></li> </ul>

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