<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, 8 Nov 2020 at 10:27, luigi scarso <<a href="mailto:luigi.scarso@gmail.com">luigi.scarso@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Nov 8, 2020 at 11:00 AM Robert Alessi <<a href="mailto:alessi@robertalessi.net" target="_blank">alessi@robertalessi.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
This works, thank you! Unfortunately, the following fails for the<br>
same reason (namely ` instead of '):<br></blockquote><div><br></div><div>Indeed, this is the reason why it's still unclear if it's a lualatex issue or a luatex ( as in tl2020 ) issue.</div><div></div></div><div>In luatex the code that raised the assert didn't change, but it's not enough to exclude wrong behaviour.</div><div><br></div>-- <br><div dir="ltr">luigi<br></div></div></blockquote><div><br></div><div>Luigi, shouldn't on the face of it an assert always be considered an issue in the code raising the assert?</div><div>Marcel helped narrow this down to a plain tex example</div><div><br></div><div><br></div><div>
<pre class="gmail-full">\setbox0\hbox{"}
X-\unhbox0
\bye</pre>
</div><div><br></div><div><br></div><div>which produces</div><div><br></div><div>This is LuaTeX, Version 1.12.0 (TeX Live 2020)<br> restricted system commands enabled.<br>(./as.texassertion "is_simple_character(wordstart)" failed: file "../../../texk/<br>web2c/luatexdir/lang/texlang.c", line 986, function: hnj_hyphenation<br>Aborted (core dumped)</div><div><br></div><div>I get the same in luatex 1.11.2 but it works in luatex 1.07.0 <br></div><div><br></div><div>David</div><div><br></div><div><br></div><div>So I think it is definitely a luatex issue not in the tex or Lua code here.</div><div><br></div><div>David</div><div><br></div><div><br></div><div><br></div><div> <br></div></div></div>