<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><div><div><div><div style="margin: 0px;" class=""><div style="margin: 0px;" class=""><div style="margin: 0px;" class=""><div style="margin: 0px;" class=""></div><div style="margin: 0px;" class=""><br class=""></div><div style="margin: 0px;" class="">Note that the characters <span style="color: rgb(18, 192, 14);" class="">\char234 \char235</span><span style="color: rgb(18, 192, 14);" class=""> \char238 </span></div><div style="margin: 0px;" class=""><font color="#12c00e" class="">are not in the subset of XL2 characters </font><span style="color: rgb(18, 192, 14);" class="">supported</span><span style="color: rgb(18, 192, 14);" class=""> </span><font color="#12c00e" class="">within the csr and csbx fonts.</font><span style="color: rgb(18, 192, 14);" class=""> </span></div></div></div></div></div><br class=""><blockquote type="cite" class=""><div class=""><blockquote type="cite" class="">Ok, it is really not possible with pdftex. I looked into pdftex<br class="">source code and code for writing PK & Type 3 fonts in PDFtex does<br class="">not use encoding vectors...<br class=""><br class="">Also code for loading mapfile cannot be used for PK fonts (checker<br class="">refuse it).<br class=""></blockquote></div></blockquote><div><br class=""></div><div>There is no csr.enc in TeXLive, at least not from 2014 onwards.</div><div>So I cannot test this assertion unless you send a copy.</div><div>But do you really need this, given XL2 encoding?</div><div><br class=""></div><div>Certainly one can attach a /ToUnicode map to the /Type3 font.</div><div>However there is something else missing in the way the /Font dictionary</div><div>is built in that case, which prevents Acrobat from using that CMap.</div><div>The lack of encoding vector and /CharSet may well be the problem,</div><div>or it may be some other piece of font metadata that is needed.</div><br class=""><blockquote type="cite" class=""><div class=""><blockquote type="cite" class=""><br class="">I looked deeply how pdftex working with Type 3 and PK fonts and<br class="">created small patch which adds support for generating /ToUnicode<br class="">object (from \pdfglyphtounicode table) and which allows to load enc<br class="">file also PK fonts.<br class=""><br class="">Patch was created against pdftex in TeXLive 2012 (which is on my<br class="">system), but is really small and should be very easy to rewrite/apply<br class="">it on new versions.<br class=""><br class="">Patch pdftex-pkfonts-encfile-tounicode.patch is attached.<br class=""><br class="">Let me know what do you think about it and if it can be added to<br class="">pdftex project.<br class=""></blockquote><br class="">Ops, in patch from previous email is small problem with indexes and <br class="">notdef. Fixed in new attached pdftex-pkfonts-encfile-tounicode-v2.patch<br class=""></div></blockquote><div><br class=""></div><div>Thanks for going to this level of detail.</div><div>But is it really needed, when csfonts are available?</div><div>Besides, there is no point constructing the /ToUnicode CMAP automatically</div><div>if it’s not going to work properly anyway.</div><div><br class=""></div><div><br class=""></div><div>Surely new documents should use csfonts .</div><div><br class=""></div><div>But if there is an existing archive of documents that use older methods,</div><div>which may need faithful production into the future, then you have my </div><div>support for adding improvements to the way Type-3 fonts are handled.</div><br class=""><blockquote type="cite" class=""><div class=""><br class="">-- <br class="">Pali Rohár<br class=""><a href="mailto:pali.rohar@gmail.com" class="">pali.rohar@gmail.com</a><br class=""><span id="cid:FFA0EBE2-4823-4BFF-A1C5-D6F69089C661"><pdftex-pkfonts-encfile-tounicode-v2.patch></span></div></blockquote><br class=""></div><div>Hope this helps,</div><div><br class=""></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>Ross</div><br class=""><div apple-content-edited="true" class="">
<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><div style="font-family: Arial, sans-serif; orphans: 2; widows: 2;" class=""><p style="font-family: Arial, sans-serif; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; color: rgb(119, 119, 119); font-size: 7pt; margin-bottom: 3.75pt;" class=""><font color="#000000" class=""><span style="font-size: 9pt;" class=""><b class="">Mathematics Dept </b><b class="">|</b> Level 2, S2.638 AHH<br class="">Macquarie University, NSW 2109, Australia</span><span style="font-family: 'Times New Roman', serif; font-size: 12pt;" class=""></span></font></p><p style="font-family: Arial, sans-serif; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; color: rgb(119, 119, 119); font-size: 7pt; line-height: 11.25pt; margin-bottom: 3.75pt;" class=""><b class=""><span style="font-size: 9pt;" class=""><font color="#000000" class="">T:</font></span></b><span style="font-size: 9pt;" class=""><font color="#000000" class=""> +61 2 9850 <b class="">8955 | F:</b> </font><a href="tel:%2B61%202%209850%209695" value="+61298509695" target="_blank" class=""><font color="#000000" class="">+61 2 9850 8114</font></a><br class=""><font color="#000000" class=""><b class="">M:</b><a href="tel:%2B61%20409%20125%20670" value="+61409125670" target="_blank" class="">+61 407 288 255</a><b class=""> | </b>E: </font><a href="mailto:rick.minter@mq.edu.au" target="_blank" class=""><font color="#000000" class="">ross.moore@mq.edu.au</font><font color="#1155cc" class=""><span style="color: black;" class=""></span></font></a><font color="#1155cc" class=""><span style="color: black;" class=""></span></font><span style="color: black;" class=""></span><br class=""></span></p><p style="font-family: Arial, sans-serif; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; color: rgb(119, 119, 119); font-size: 7pt; line-height: 11.25pt; margin-bottom: 3.75pt;" class=""><span style="font-size: 9pt;" class=""><span style="color: black;" class=""><a title="Macquarie University" href="http://mq.edu.au/" target="_blank" class="">http://www.maths.mq.edu.au</a></span></span></p><p style="color: rgb(0, 0, 0); font-family: Arial, sans-serif; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><a href="http://mq.edu.au/" target="_blank" class=""><br class="Apple-interchange-newline"><span></span></a></p></div></div></div></body></html>