<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Richard,<div><br><div><div>On 10/04/2015, at 1:48 AM, Richard Seguin wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div><br><blockquote type="cite">On Apr 8, 2015, at 8:08 PM, Richard Seguin <<a href="mailto:riseguin@earthlink.net">riseguin@earthlink.net</a>> wrote:<br></blockquote></div></blockquote><br><blockquote type="cite"><div><br>Adobe Reader, with its proprietary font smoothing algorithms, still gives the crispest results, almost eliminating the motivation for retina screens, but Reader is buggy and not TeX friendly at all, </div></blockquote><div><br></div><div>Why do you say this?</div><div>There are many features, supported within the PDF specifications,</div><div>that can be implemented with TeX and that *only* Adobe Reader shows </div><div>correctly.</div><div><br></div><div><div>So if you have some things which cause you to say "not TeX friendly"</div><div>it is quite possible that you are doing it the wrong way with TeX.</div><div>If an effect works in a non-Adobe PDF reader, but does not work</div><div>in Acrobat Pro or Adobe Reader, the most likely explanation is</div><div>that it has *not* been implemented correctly, rather than that</div><div>Adobe Reader is getting it wrong, or is not TeX-friendly.</div><div><br></div><div><div>It may well be that a package writer has not implemented the </div><div>PDF specifications correctly, or to best interpretation.</div><div><br></div><div><div><br></div><div>That is not to say that Reader has no bugs at all --- it most </div><div>certainly does have some, as does any complex piece of software.</div></div><div>I've reported many that I have found, and they do get fixed</div><div>--- though not as quickly as one would hope for.</div><div><br></div></div></div><div><br></div><blockquote type="cite"><div>and probably never will be.</div></blockquote><div><br></div><div><div>There are people like myself and others who are working to find </div><div>the *correct* ways to do things with TeX, so that these PDF </div><div>features can be used as intended.</div><div><br></div><div>There are new laws being formulated in the USA and Europe that</div><div>will require PDF documents produced by Government and other agencies </div><div>to conform to the new PDF/UA recommendations --- for Accessibility</div><div>for people with disabilities, particularly visual impairment.</div><div>This *requires* fully tagged PDF, as well as recommendations</div><div>about colour and screen-reading capabilities, etc. </div><div><br></div><div> <a href="http://www.aiim.org/Research-and-Publications/standards/committees/PDFUA/Technical-Implementation-Guide-32000-1">http://www.aiim.org/Research-and-Publications/standards/committees/PDFUA/Technical-Implementation-Guide-32000-1</a></div><div><br></div><div>Few non-Adobe readers support many of the features needed</div><div>to handle PDF/UA to best effect.</div><div><br></div><div><br></div><div>Furthermore, Adobe has just this week announced its latest versions </div><div>of Acrobat Pro DC and corresponding Reader update.</div><div>viz.</div><div> <a href="https://www.acrobat.com/en_us/free-trial-download.html">https://www.acrobat.com/en_us/free-trial-download.html</a></div><div> <a href="https://acrobat.adobe.com/au/en/products/pdf-reader.html">https://acrobat.adobe.com/au/en/products/pdf-reader.html</a></div><div><br></div><div><br></div><div><br></div><div>So please, provide explicit examples of what you think Adobe Reader</div><div>is not supporting properly.</div><div>I'd very much like to see such documents, run them through validators,</div><div>and (if you have the TeX sources) try to identify the causes, which</div><div>I'd suspect are actually deficiencies in those PDF's compilation.</div><div><br></div><div><br></div><div>Providing (links to) explicit examples is a much more constructive</div><div>thing to do than just mouth-off that something is not working the</div><div>way you think it should.</div><div><br></div></div><br><blockquote type="cite"><div><br>Richard Séguin<br></div></blockquote></div><div><br></div><div><br></div><div>Hope this helps,</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>Ross</div><div><br></div><br><div>
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