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Hi Karl, and others,
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<div class="">On Jul 17, 2016, at 8:33 AM, Karl Berry <<a href="mailto:karl@freefriends.org" class="">karl@freefriends.org</a>> wrote:</div>
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<div class=""> - fd = epdf_create_fontdescriptor(fontmap, stemV->getInt());<br class="">
+ fd = epdf_create_fontdescriptor(fontmap, zround(stemV->getNum()));<br class="">
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Ok. StemV is the only parameter that is treated specially in this way.<br class="">
(Thanh: why? E.g., why nothing similar for StemH? Just trying to<br class="">
understand …)<br class="">
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<div>I just looked up stemV in PDFSpec V1.3, dated 1999.</div>
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<div class="">But then there are the other PDF font descriptor parameters to consider.<br class="">
As Ross said, FontWeight, ItalicAngle, Ascent, Descent, Leading,<br class="">
CapHeight, XHeight, StemH, AvgWidth, MaxWidth, MissingWidth are also all<br class="">
"numbers" (float).<br class="">
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<div>All these parameters *were* integers back then.</div>
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Subsequently this has changed, but pdfTeX has not changed with it.
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<div>I’ll check further to determine in which version of PDF it actually changed.</div>
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<div class="">In principle, we should clearly represent them in floating-point or<br class="">
fixed-point, not integers, but I can't say I'm enthused about spending<br class="">
time on that.<br class="">
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<div>As Adobe and the ISO Technical Committee are finalising the specs for PDF 2.0,</div>
<div>and other PDF standards, it would be really great if it could be stated that pdfTeX</div>
<div>produced fully-conforming PDF files, for at least some of such specifications.</div>
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<div>Finding and fixing all such variable declarations is surely absolutely necessary</div>
<div>to be able to achieve anything along these lines.</div>
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--thanks, karl.<br class="">
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<div class="">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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