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Hi Phil,
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<div class="">On Jul 14, 2016, at 10:02 PM, Philip Taylor <<a href="mailto:P.Taylor@Rhul.Ac.Uk" class="">P.Taylor@Rhul.Ac.Uk</a>> wrote:</div>
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<pre wrap="" class="">Hallo David, and thank you for your suggestions. I have now found the following :
1) The primary cause of the displacement is the PDF/X-1A:2003 specials -- remove these, and the page returns to its normal vertical position, but shifted outwards (leftwards) somewhat;
2) The use of \usepackage {color} within e-plain's \beginpackages ... \endpackages; in TeX Live 2016, this makes the page size considerably wider, IFF the PDF/X-1A specials are not emitted.
The displacement is visible both in TeXworks viewer and in Adobe Acrobat.
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<div>I think what you are seeing is due to the /CropBox settings.</div>
<div>A PDF viewer shows the contents of the cropped area, </div>
<div>scaling to fill either the width or height or both.</div>
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<div>There are 2 kinds of test that you can do.</div>
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<div>1. Print a few pages of your document, once with the \specials, once without.</div>
<div> Is there any difference in the position of your content on the printed page?</div>
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<div>2. Vary the numbers in /CropBox [ a b c d ] ;</div>
<div> such that (a,b) is bottom-left and (c,d) is top-right corners of a rectangle.</div>
<div> Values such as [ 200 200 300 300 ] should crop to a small-ish portion of a page,</div>
<div> which is then scaled up to fit your window-size. </div>
<div> Observe the value of your browser’s scaling factor.</div>
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With different values of [ a b c d ] you can simulate vertical and horizontal shifts,</div>
<div>to a small extent, according to how much smaller the /CropBox is, compared to</div>
<div>the /MediaBox.</div>
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<div>Does this interpretation agree with what you observe?</div>
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A4 is indeed the default in both, and the difference between A4 and letter is only 3/4", whereas it appears to require a 1" correction ...
** Phil.
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Cheers,</div>
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<div class=""><span class="Apple-tab-span" style="white-space:pre"></span>Ross</div>
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Dr Ross Moore</span></b></span></div>
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