<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Doug,<div><br><div><div>On 27/04/2015, at 10:05 AM, Douglas McKenna wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Given that the number of TeX input files using ^^u is likely miniscule, and the number of those that follow the ^^u or ^^U with four or six hex digits is even smaller, it seemed like a worthwhile benefit vs. cost, compatibility-wise. Maybe there's something I've not thought out well.<br></div></blockquote><div><br></div><div>For user-input files, then yes it is probably very small.</div><div>But such constructions figure to be used a lot within package sources</div><div>--- precisely to create macros that shield users from the syntax.</div><div><br></div><div>For example, try in a terminal:</div><div><br></div><div><div> grep "\^\^\^\^" `kpsewhich unicode-math.dtx` | wc -l</div><div> </div></div><div>There are 160 lines of input and/or macro definitions.</div><div>(four of these use ^^^^^ )</div><div>Doubtless packages supporting other languages are similar.</div><div><br></div><div>Of course, since these are in packages the coding can be changed,</div><div>if engines need to be changed.</div><div>(Except that old versions will still have to be retained for those </div><div>people who do not update to newer versions of the engine.)</div><br><blockquote type="cite"><div><br>This discussion I just found is both pertinent and frightening, I suppose:<br><br><a href="http://stackroulette.com/tex/62725/the-notation-in-various-engines">http://stackroulette.com/tex/62725/the-notation-in-various-engines</a><br></div></blockquote><div><br></div><div>Yeah. Thanks for this link. It is from July 2012</div><div>--- so maybe some of that incompatibility is fixed now?</div><div><br></div><div>If not, then TUG-2015 in Germany this July may be a good </div><div>place to discuss the status of all this?</div><div><br></div><br><blockquote type="cite"><div><br><br>Doug McKenna<br><br></div></blockquote><br></div><div>Cheers,</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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