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12:50 AM
Am I having a strange bug or is it the way american write percent ? imgur.com/a/HoMXqh4
 
@Matheod That's the font you're using
@Matheod For example here, one of the differences between Times Roman and Times New Roman is that thingy in the % sign
 
Thanks. Who got this stupid idea to add this curve ><
 
1:24 AM
@Matheod -- That's the way I was taught to write it. Its appearance in particular fonts may differ. It appears with the "extra" upper stroke in the Unicode charts (U+0025): unicode.org/charts/PDF/U0000.pdf
 
 
3 hours later…
4:42 AM
Bonus question about the TeXbook snippet: Why does Knuth use \TeX\null. instead of just \TeX.? If you want to answer, please do so in the chat. — Henri Menke 14 secs ago
 
 
2 hours later…
7:02 AM
@HenriMenke space factor, I think … since the expansion of \TeX ends with an uppercase letter.
 
@HaraldHanche-Olsen Correct.
 
 
2 hours later…
8:49 AM
'ello
 
@PauloCereda 'inner
 
@DavidCarlisle oh no
/quacks in despair
 
9:09 AM
@DavidCarlisle 'oJo
 
@HenriMenke bonus answer: because he uses a half baked format like manmac that doesn't have the refinements of a proper format like LaTeX where these things are taken care of automatically.
 
9:28 AM
@HenriMenke @egreg fails to follow the instructions on where to answer:-)
 
 
1 hour later…
10:37 AM
@DavidCarlisle did you see the etex question?
 
@UlrikeFischer yes just looking, I think the kernel code is wrong...
@UlrikeFischer you have to love comments like % \changes{v1.0y}{1997/10/10}% {\cs{reserved@c} not \cs{verbatim@out} to save a csname} saving one entry in the string pool, now look how many entries @JosephWright has blown by \input expl3 :-)
 
@DavidCarlisle ;-).
@DavidCarlisle it is this redefinition of \ch@ck. Didn't we just had this?
 
10:54 AM
@UlrikeFischer yes sure (and I see you found a duplicate) but what I noticed just now is that the format filecontents does \chardef\reserved@c15 % \ch@ck7\reserved@c\write% so assumes 15 rather that using the full \e@alloc check which is aware that luatex has more writes
 
@DavidCarlisle ah. But would a correction of this then avoid the problem here? I thought it is due to the \if@filesw creeping into the \ifnumcheck.
 
@UlrikeFischer I haven't tested, but it might if it didn't use \ch@ck at all then it might not break if etex.sty changes that...
 
@DavidCarlisle but there are more uses of \ch@ck in the kernel e.g. in \newinsert, and etex takes care to change the definition here. Wouldn't it be its job not to break the kernel and follow updates if needed? (Unless the \ch@ck is actually wrong in the filecontents definition).
 
@UlrikeFischer well as I say it is wrong for luatex (the newinsert ones are OK as inserts have to be classical registers)
 
11:10 AM
@DavidCarlisle so who will open the issue ?
 
@UlrikeFischer it's tricky as the job of etex.sty is precisely to break the kernel and re-instate the old code, so i suppose the consistent thing to do would be for it to re-instate the original filecontents code with a pre-2015 compatible definition, but I'm not sure that's what the user would want to be the outcome.
 
@DavidCarlisle but as the filecontents package is basically gone they would loose the overwrite option. couldn't etex simply do nothing if it detect an new kernel? Apart from the mt2pro problem which seem to have gone stale again I don't know any case which actually needs it.
 
@UlrikeFischer I had that for a while but it caused complaints. if a user is loading etex.sty to get compatibility with code that uses it \globcount etc, then it's reasonable to expect that after loading a compatibility package that they are defined.
@UlrikeFischer of course most people were not using any of the etex.sty commands and just loaded it to get more registers, so simply not loading it is the thing to do, but that is the easy case....
 
@DavidCarlisle we could create a etex-legacy.sty with the old code and people who really want it can load it instead ... (the normal etex could issue a message for it).
 
11:22 AM
@UlrikeFischer or we could put a \relax after \ch@ck7\reserved@c\write% so #4 isn't \if@filesw.....
 
@DavidCarlisle would be easier, but you couldn't create a new repo ;-)
 
@UlrikeFischer I could fork latexe/latex2e
 
@DavidCarlisle ooh
 
11:41 AM
@DavidCarlisle and then split it?
 
cis
Hey, a question:

Does expl3 have a direct mechanism to get 'set of divisors' or to get the 'prime factorization'?
 
@UlrikeFischer you are mean
 
@cis Don't think so. But if you can provide a typesetting-related use-case, you may convince Joseph to implement it for you ;-)
 
cis
11:57 AM
@AlexG OK.
@AlexG Or maybe, I should use SageTeX
 
12:42 PM
@HenriMenke well it starts at the euklid tutorial. And looking closely at the text: In the "The Complete Code" there are random factors. There are coordinates using "rand". Could they slightly change the size of the pictures?
 
1:01 PM
@HenriMenke I think this is it. I extracted on the images and measured its height and get values between 195pt and 206pt. And 11pt can certainly change the page break.
 
 
1 hour later…
2:13 PM
@DavidCarlisle did we change something for \@ifpackageloaded? In the last days I got constantly errors with \tableofcontents and I traced it down to a hyperref redefinition of \@starttoc (if the aux-file is empty). But I don't see what actually changed.
\documentclass{article}
\begin{filecontents}[overwrite]{\jobname.aux}
%%ensure empty aux-file
%\global\let\hyper@last\relax
\end{filecontents}
\usepackage{hyperref}
\begin{document}
\makeatletter\show\@starttoc
%contains \@ifpackageloaded {parskip}{yes}{no}
\tableofcontents
\section{abc}
\end{document}
 
cis
OMD! When I typed in `tex sagetex.ins` I got:

I can't write on file `sagetex.py'
.......
.......
.......
Please type another output file name:





What have I to do?
 
@UlrikeFischer in git or in texlive?
@cis it seems you are installing something that is installed?
 
@DavidCarlisle Ah. I see. You replaced \ltx@ifpackageloaded by \@ifpackageloaded, and the first is allowed in the document.
 
cis
2:28 PM
@DavidCarlisle But I do not have SageTeX (in TeXLive 2019): "sagetex.sty not found"
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:52906408 @PauloCereda "I will enroll in an online German language course!"

A very importeant phrase is "Schnauze, Sülze!" too. :()
 
@UlrikeFischer grmbl I already backed out (or modified) some of those. I'll catch that as well although I started a message to the team list about that one, I don't think I sent it...
 
cis
@UlrikeFischer OK
 
@cis :)
 
cis
@PauloCereda Can you translate the phrase?
 
2:32 PM
@cis no idea
 
@UlrikeFischer font setup is \@onlypreamble as it needs to be done before the fonttables are notmalised in \begin{document}, but \@ifpackageloaded, is \@onlypreamble to reclaim half a dozen bytes....
 
@DavidCarlisle I don't remember a message about this, but I couldn't swear that there was something - I was a bit distracted writing a document ...
@DavidCarlisle yes it took my quite by surprise that it can't be used.
 
cis
@PauloCereda German "Schnauze, Sülze!" is nearly impossible to translate into english, it could be something like "Shut up, (you) baloney!"
 
@UlrikeFischer normally you can just save the definition with \let\zzz\@ifwhatever and then use \zz after the original has been disabled but for ifpackageloaded \@ifl@aded is also disabled so you have to redo the entire stack with names that are not going to be removed:(
 
@cis oh
 
2:39 PM
@UlrikeFischer in hyperref.dtx I see \ltx@ifpackageloaded{parskip}{\parskip\z@}{}% ie it's still using the ltx@ one?
 
@DavidCarlisle perhaps you reverted it? I will reinstall hyperref from the git.
 
@UlrikeFischer no it is wrong on ltxcmds branch, I was looking at master
 
@DavidCarlisle yes just saw it too.
 
@UlrikeFischer I'll fix later (Hy@ifpackageloaded I guess
 
@DavidCarlisle why do you have to redo a stack? Isn't \@ifl@aded simply testing if the ver@package.sty csname exists?
 
cis
2:45 PM
@UlrikeFischer I do not know, what to do now. pythontex sagetex.ins ? No...
 
@UlrikeFischer I mean I can't simply do \let\zzifpackagloaded=\@ifpackageloaded then use \zzifpackagloaded as you'd then get an error on \@ifl@aded as that is separately made an error after begin document
 
@DavidCarlisle ooh zz
 
@PauloCereda I choose macro names that @UlrikeFischer can't type, as she is mean.
 
@DavidCarlisle ooh
 
3 hours ago, by David Carlisle
@UlrikeFischer you are mean
 
2:50 PM
@DavidCarlisle you could create a repo for each zzz-command - I could never get write access.
 
@DavidCarlisle ooh she is mean
@UlrikeFischer ooh a plan
 
@UlrikeFischer try now....
 
cis
@PauloCereda Hey, we need a rule sagetex.yaml
In later times, I could try to write that, but today....
 
@DavidCarlisle works fine now.
@cis well assuming that my guess that you have windows was correct: either change the PATHEXT variable so that it no longer contains .py, or change in sagetex.ins all .py extension to eg. .pyxy, extract and then rename the created files back.
 
3:09 PM
@UlrikeFischer mail to team sent....
 
cis
@UlrikeFischer This seems to work. Now I need to finde out, how to sage a file with path....
 
cis
3:33 PM
....
....
.....




I put a file into "Sage Shell 8.9" and get
sage: /home/sage/Desktop/Test/SageTeX/sagebsp01.sagetex.sage
  File "<ipython-input-2-89a2f91aed61>", line 1
    home(/sage/Desktop/Test/SageTeX/sagebsp01.sagetex.sage)
         ^
SyntaxError: invalid syntax
Does somebody know, how to translate the file in the sage-shell?
 
3:50 PM
@DavidCarlisle Yes: I think we should cut down \@onlypreamble to things that are conceptual rather than token-saving
 
@JosephWright er coincidence?
@JosephWright irony is it was only there to save tokens and then a stack of packages just duplicate the entire definition to avoid \@onlypreamble which doubles token memory and csname use:-)
 
@JosephWright my example was better ;-)
 
@DavidCarlisle @)
 
cis
4:42 PM
It was very hard to installe Windumb-SageTeX.

I used the files under `C:\Programme\SageMath 8.9\runtime\opt\sagemath-8.9\local\share\texmf\tex\latex\sagetex` to create sagetex.sty

Whether this is correct?` I do not know, but it works...
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:52931365 @UlrikeFischer Please could you tell Mr. Cereda how to get Sage under Windows access?
@PauloCereda
 
cis
5:20 PM
....
...
::::
@PauloCereda
Paulo, you are my whole hope. As you know, I'm the biggest arara lover in the world.
0
Q: arara: sage - A Sage(math)-rule for arara

cis0.I have installed SageMath 8.9 for Windows. In this time I 1. write a file with sagetex-content, i.e. sagetexample.tex (from the sage-page) and run pdflatex. 2. I open SageMath 8.9 and get a Sage-Terminal, where I type in load('/folder/sagebsp01.sagetex.sage') 3. then I run pdflatex again. ...

 
cis
6:18 PM
...
...
...
@DavidCarlisle Mr. Carisle, can I invite you, to become an arara-guy?
 
@cis never trust software written by a duck wielding a cricket bat
@cis I have asked you before not to refer to me as Mr Carlisle
2
 
cis
Why not, "Madam" would be out of place.
...
...
....

Then I remember: I submitted the "Duck Burger" (similar to the "Chicken Burger") to an international McDonald's Challenge. But I didn't win 1st prize.
 
6:34 PM
@cis it's the wrong title and even had it been the right one it's impolite to insist on referring to someone using a form of address they have asked you not to use.
 
cis
@DavidCarlisle In Germany you usually say 'Herr', regardless of Dr., professor, director, mayor, ... - a humble German people.
 
@cis I'm not German. (but if you used the correct title it makes no difference as I would ask you not to use that form either. I prefer not to use a title on the web)
 
6:49 PM
@cis -- "Madam" would be out of place in more ways than one.
 
@barbarabeeton you don't see me as a Madam?
 
cis
@barbarabeeton Whats about "mistress"?
 
@DavidCarlisle -- Nor as "Madame". I don't think "mistress" has quite the correct implication either; as far as I know, you're gainfully employed, not kept.
 
7:42 PM
@barbarabeeton Also, likely not a witch
 
 
1 hour later…
8:55 PM
@UlrikeFischer Okay, I'm now re-seeding the RNG before every use. I hope that fixes it and I hope I caught all of them.
 
9:40 PM
@HenriMenke @UlrikeFischer @JosephWright splitting off any dependencies of hyperref, plus a couple that have reported issues fixed: auxhook bigintcalc etexcmds gettitlestring hycolor intcalc kvdefinekeys kvsetkeys ltxcmds refcount soulutf8 uniquecounter oberdiek
 
@DavidCarlisle Is there a timeframe by which the oberdiek split will be finished? I don't want to release the new PGF before that.
 
@HenriMenke that is the last split that I plan, although as I say, if there are reported issues that get fixed I may split off individual packages, but unlikely to be before the new year now.
 

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