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Hi all.
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<div class="">I think I’ve found a possible cause for this /ToUnicode problem.</div>
<div class="">It’s with the way the /CMapName is constructed within the CMap resource itself,</div>
<div class="">at least when the font's name contains spaces.</div>
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<div class="">See the attached image, where the window on the left is from a PDF constructed by XeLaTeX,</div>
<div class="">while the one on the right comes from the PDF/UA Association, and is properly valid.</div>
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<div class=""><img apple-inline="yes" id="DCFBB640-F90B-44CC-B183-B92705B69D3A" width="640" height="280" src="cid:26EE79DA-D1DD-4BDA-B30F-098631BE55E9@telstra.com.au" class=""></div>
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<div class="">Because the space character is normally a delimiter, this is certainly invalid Postscript coding</div>
<div class="">to assign a value to /CMapName . So presumably it’s wrong in PDF too.</div>
<div class="">Surely the space needs to be encoded as #20 here?</div>
<div class="">The ‘.’ and ‘,’ are questionable. I think these are actually OK.</div>
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<div class="">Changing the font to ‘Times’, the resulting PDF validates just fine.</div>
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<div class="">Is it really a good idea to use the full path to the file, as the name here?</div>
<div class="">The PDF spec says it should be the name used in the file: viz.</div>
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<div style="text-align: center;" class=""><font face="Arial" class=""><br class="">
</font></div>
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<td valign="top" style="width: 83.0px; padding: 0.0px 5.0px 0.0px 5.0px" class="">
<p style="margin: 3px 0px; text-align: justify; font-stretch: normal; font-size: 9px; line-height: normal; font-family: Arial;" class="">
<b class="">CMapName</b></p>
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<td valign="top" style="width: 60.0px; padding: 0.0px 5.0px 0.0px 5.0px" class="">
<p style="margin: 3px 0px; text-align: justify; font-stretch: normal; font-size: 9px; line-height: normal; font-family: Arial;" class="">
name</p>
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<td valign="top" style="width: 291.0px; padding: 0.0px 5.0px 0.0px 5.0px" class="">
<p style="margin: 3px 0px; text-align: justify; font-stretch: normal; font-size: 9px; line-height: normal; font-family: Arial;" class="">
<i class="">(Required) </i>The name of the CMap. It shall be the same as the value of
<b class="">CMapName </b>in the CMap file. </p>
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<div class="">BTW, there was also an issue with Ghostscript, concerning the way CMapName is constructed.</div>
<div class="">see <a href="https://bugs.ghostscript.com/show_bug.cgi?id=690114" class="">https://bugs.ghostscript.com/show_bug.cgi?id=690114</a> .</div>
<div class="">There is was the // at the start of the name that was questioned.</div>
<div class=""> dvipdfmx seems to be encoding the directory delimiter as a `-` now.</div>
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<blockquote type="cite" class="">
<div class="">On 6 Aug 2018, at 8:10 am, Ross Moore <<a href="mailto:ross.moore@mq.edu.au" class="">ross.moore@mq.edu.au</a>> wrote:</div>
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<div class="">There seems to be a subtle problem with the way subsetted Type0 fonts are built</div>
<div class="">by xdvipdfmx with XeLaTeX jobs, for the purposes of finding the /ToUnicode resource.</div>
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<blockquote type="cite" class="">
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<div class="">So I cannot see why the /ToUnicode resource is not being found.</div>
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<div>This error in naming is almost certainly the reason.</div>
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<div>Cheers,</div>
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<div><span class="Apple-tab-span" style="white-space:pre"></span>Ross</div>
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<div style="font-family: Arial, sans-serif; orphans: 2; widows: 2;" class=""><span class="Apple-style-span" style="font-size: 9px;"><b class=""><span style="font-size: 9pt;" class=""><br class="Apple-interchange-newline">
Dr Ross Moore</span></b></span></div>
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<font color="#000000" class=""><b style="color: rgb(119, 119, 119); font-family: Arial, sans-serif; font-size: 9pt; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Mathematics
Dept </b><b style="color: rgb(119, 119, 119); font-family: Arial, sans-serif; font-size: 9pt; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">|</b><font color="#777777" face="Arial, sans-serif" class=""><span style="font-size: 9pt;" class=""> 12
Wally</span></font><font face="Arial, sans-serif" class="">’</font><font color="#777777" face="Arial, sans-serif" class=""><span style="font-size: 9pt;" class="">s Walk, 734</span></font><br class="">
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