Re: About tex.error (and logs.texerrormessage)
"Jairo A. del Rio" <[email protected]> Mon, 3 Aug 2026 13:33:55 -0500
| Newsgroups | gmane.comp.tex.context |
|---|---|
| Message-ID | <CAKyqqaZHiYA-eXr6P4HRe4ZWdum02e1OsaGKyfau-3hrMwORxg@mail.gmail.com> |
--===============6987727685500491052== Content-Type: multipart/alternative; boundary="000000000000dee859065828c847" --000000000000dee859065828c847 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable El lun, 3 ago 2026 a la(s) 5:42=E2=80=AFa.m., Hans Hagen via ntg-context ( [email protected]) escribi=C3=B3: > On 8/3/2026 10:42 AM, Jairo A. del Rio wrote: > > > > > > El lun, 3 ago 2026 a la(s) 3:02=E2=80=AFa.m., Hans Hagen via ntg-contex= t (ntg- > > [email protected] <mailto:[email protected]>) escribi=C3=B3: > > > > On 8/3/2026 9:29 AM, Jairo A. del Rio wrote: > > > Hi, list! When one tries to print non-ASCII characters using > > > logs.texerrormessage, based on tex.error, "weird character" and = a > > > negative value is printed and characters are just ignored. This > > warning > > > comes from here in texprinting.c: > > > > > > 153 =E2=94=82 void tex_print_char(int s) > > > 154 =E2=94=82 { > > > 155 =E2=94=82 if (s < 0 || s > 255) { > > > 156 =E2=94=82 tex_formatted_warning("print", "weird ch= aracter > > %i", s); > > > > > > I wonder whether a cast is needed here or it's rather a bug > > coming from > > > custom compiling flags as it is my case. > > > > Unless I did something wrong, this one should never be called with = a > > negative or > 255 integer as it eventually outputs one byte. If the= re > > are unicode characters printed they go via the utf serializer (that > > iself then outputs per char). So, this test is kind of redundant bu= t > if > > you somehow have > 255 integers going into it, the test indicates a= n > > error anyway. Fwiw, this logging is kind of complex as we have log > file > > in parallel to terminal output and in other printing routines also > pipe > > into strings. > > > > > > I removed the test and recompiled both luametatex and ConTeXt. Now > > Unicode characters are printed normally and everything else seems to > > work as I compile some documents > > well, it means that you let c print an invalid character so i guess it > will crash at some point > > what was your test case as it might was wel be some other issue there > Just this: \starttext \startluacode % logs.texerrormessage doesn't make any difference tex.error"Cig=C3=BCe=C3=B1a" \stopluacode \stoptext and I get this luatex warning > print: weird character -61 luatex warning > print: weird character -68 luatex warning > print: weird character -61 luatex warning > print: weird character -79 tex error > tex error on line 5 in file ./test.tex: Cigea I thought it might have been something about my custom build, but I've tested stock luametatex and I have similar results on Linux. Hans > > ----------------------------------------------------------------- > Hans Hagen | PRAGMA ADE > Ridderstraat 27 | 8061 GH Hasselt | The Netherlands > tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl > ----------------------------------------------------------------- > > _________________________________________________________________________= __________ > If your question is of interest to others as well, please add an entry to > the Wiki! > > maillist : [email protected] / > https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl > webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror= ) > archive : https://github.com/contextgarden/context > wiki : https://wiki.contextgarden.net > > _________________________________________________________________________= __________ > --000000000000dee859065828c847 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div dir=3D"ltr"><br></div><br><div class=3D"gmail_quote g= mail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr">El lun, 3 ago 2= 026 a la(s) 5:42=E2=80=AFa.m., Hans Hagen via ntg-context (<a href=3D"mailt= o:[email protected]">[email protected]</a>) escribi=C3=B3:<br></div><bloc= kquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:= 1px solid rgb(204,204,204);padding-left:1ex">On 8/3/2026 10:42 AM, Jairo A.= del Rio wrote:<br> > <br> > <br> > El lun, 3 ago 2026 a la(s) 3:02=E2=80=AFa.m., Hans Hagen via ntg-conte= xt (ntg- <br> > <a href=3D"mailto:[email protected]" target=3D"_blank">[email protected]</a>= <mailto:<a href=3D"mailto:[email protected]" target=3D"_blank">ntg-con= [email protected]</a>>) escribi=C3=B3:<br> > <br> >=C2=A0 =C2=A0 =C2=A0On 8/3/2026 9:29 AM, Jairo A. del Rio wrote:<br> >=C2=A0 =C2=A0 =C2=A0 > Hi, list! When one tries to print non-ASCII c= haracters using<br> >=C2=A0 =C2=A0 =C2=A0 > logs.texerrormessage, based on tex.error, &qu= ot;weird character" and a<br> >=C2=A0 =C2=A0 =C2=A0 > negative value is printed and characters are = just ignored. This<br> >=C2=A0 =C2=A0 =C2=A0warning<br> >=C2=A0 =C2=A0 =C2=A0 > comes from here in texprinting.c:<br> >=C2=A0 =C2=A0 =C2=A0 ><br> >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0153 =E2=94=82 void tex_print_char= (int s)<br> >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0154 =E2=94=82 {<br> >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0155 =E2=94=82 =C2=A0 =C2=A0 if (s= < 0 || s > 255) {<br> >=C2=A0 =C2=A0 =C2=A0 >=C2=A0 =C2=A0156 =E2=94=82 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 tex_formatted_warning("print", "weird character<b= r> >=C2=A0 =C2=A0 =C2=A0%i", s);<br> >=C2=A0 =C2=A0 =C2=A0 ><br> >=C2=A0 =C2=A0 =C2=A0 > I wonder whether a cast is needed here or it&= #39;s rather a bug<br> >=C2=A0 =C2=A0 =C2=A0coming from<br> >=C2=A0 =C2=A0 =C2=A0 > custom compiling flags as it is my case.<br> > <br> >=C2=A0 =C2=A0 =C2=A0Unless I did something wrong, this one should never= be called with a<br> >=C2=A0 =C2=A0 =C2=A0negative or > 255 integer as it eventually outpu= ts one byte. If there<br> >=C2=A0 =C2=A0 =C2=A0are unicode characters printed they go via the utf = serializer (that<br> >=C2=A0 =C2=A0 =C2=A0iself then outputs per char). So, this test is kind= of redundant but if<br> >=C2=A0 =C2=A0 =C2=A0you somehow have > 255 integers going into it, t= he test indicates an<br> >=C2=A0 =C2=A0 =C2=A0error anyway. Fwiw, this logging is kind of complex= as we have log file<br> >=C2=A0 =C2=A0 =C2=A0in parallel to terminal output and in other printin= g routines also pipe<br> >=C2=A0 =C2=A0 =C2=A0into strings.<br> > <br> > <br> > I removed the test and recompiled both luametatex and ConTeXt. Now <br= > > Unicode characters are printed normally and everything else seems to <= br> > work as I compile some documents<br> <br> well, it means that you let c print an invalid character so i guess it <br> will crash at some point<br> <br> what was your test case as it might was wel be some other issue there<br></= blockquote><div><br></div><div>Just this:<br><br>\starttext<br><br>\startlu= acode<br></div><div>% logs.texerrormessage doesn't make any difference<= /div><div>tex.error"Cig=C3=BCe=C3=B1a"<br>\stopluacode<br><br>\st= optext<br><br></div><div>and I get this</div><div><br>luatex warning =C2=A0= > print: weird character -61<br>luatex warning =C2=A0> print: weird c= haracter -68<br>luatex warning =C2=A0> print: weird character -61<br>lua= tex warning =C2=A0> print: weird character -79<br>tex error =C2=A0 =C2= =A0 =C2=A0 > tex error on line 5 in file ./test.tex: Cigea</div><div><br= ></div><div>I thought it might have been something about my custom build, b= ut I've tested stock luametatex and I have similar results on Linux.=C2= =A0<br></div><div><br></div><blockquote class=3D"gmail_quote" style=3D"marg= in:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1e= x"> Hans<br> <br> -----------------------------------------------------------------<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0Hans Hagen | PRAGMA ADE<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Ridderstraat 27 | 80= 61 GH Hasselt | The Netherlands<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 tel: 038 477 53 69 | <a href=3D"http://www.prag= ma-ade.nl" rel=3D"noreferrer" target=3D"_blank">www.pragma-ade.nl</a> | <a = href=3D"http://www.pragma-pod.nl" rel=3D"noreferrer" target=3D"_blank">www.= pragma-pod.nl</a><br> -----------------------------------------------------------------<br> ___________________________________________________________________________= ________<br> If your question is of interest to others as well, please add an entry to t= he Wiki!<br> <br> maillist : <a href=3D"mailto:[email protected]" target=3D"_blank">ntg-cont= [email protected]</a> / <a href=3D"https://mailman.ntg.nl/mailman3/lists/ntg-conte= xt.ntg.nl" rel=3D"noreferrer" target=3D"_blank">https://mailman.ntg.nl/mail= man3/lists/ntg-context.ntg.nl</a><br> webpage=C2=A0 : <a href=3D"https://www.pragma-ade.nl" rel=3D"noreferrer" ta= rget=3D"_blank">https://www.pragma-ade.nl</a> / <a href=3D"https://context.= aanhet.net" rel=3D"noreferrer" target=3D"_blank">https://context.aanhet.net= </a> (mirror)<br> archive=C2=A0 : <a href=3D"https://github.com/contextgarden/context" rel=3D= "noreferrer" target=3D"_blank">https://github.com/contextgarden/context</a>= <br> wiki=C2=A0 =C2=A0 =C2=A0: <a href=3D"https://wiki.contextgarden.net" rel=3D= "noreferrer" target=3D"_blank">https://wiki.contextgarden.net</a><br> ___________________________________________________________________________= ________<br> </blockquote></div></div> --000000000000dee859065828c847-- --===============6987727685500491052== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : [email protected] / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___________________________________________________________________________________ --===============6987727685500491052==--