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4:15 AM
@AlanMunn I think I understand what the transformation does. It express the x coordinate in pt, then it takes the cos and sin of x/pt (i.e. if x=50pt then it will return cos(50)), and multiplies the outcome by a the y coordinate
(x_new,y_new) = (y_old cos(x_old/pt), y_old sin(x_old/pt))
 
 
2 hours later…
6:25 AM
@UlrikeFischer Also your husband's mail went to the spam box! Just replied <3<3<3
 
 
2 hours later…
8:09 AM
@UlrikeFischer oh no
Polar coordinates involve bears, I am pretty sure. :)
 
8:56 AM
Ooh, CTAN now have direct links to repos and issue trackers from the package pages. See for example ctan.org/pkg/beamer
 
@JosephWright Yes, nice feature! :)
 
@PauloCereda Indeed
 
@JosephWright yep been there for a while:-)
 
@DavidCarlisle I'd not noticed before: was just looking at how the beamer update comes out in terms of CTAN structure
@DavidCarlisle l3build issues are (largely) fixed so it's gone well
 
@JosephWright speaking of issues, did you see my response to the hyperref one, does that seem a reasonable plan?
 
9:03 AM
@DavidCarlisle at least it is natural for mathtools to have stuff in it that fixes stuff in amsmath and can be disabled if needed. However, does not solve the problem, when at some point mathtools get integrated into amsmath which I can see more and more people asking for.
I've added it to my TODO list for mathtools, then I'll have a look at it then
 
@DavidCarlisle Looks fair to me
 
@daleif Im adding it to the amsmath (latex2e) issue tracker at github, I suspect it would be better fixed in amsmath if anywhere
 
9:32 AM
@barbarabeeton do you get notified of github.com/latex3/latex2e/issues/14 (and github.com/latex3/latex2e/issues/5) automatically
 
@DavidCarlisle I think Barbara might need a GH account...
 
@DavidCarlisle She's not down as watching so 'no'
@DavidCarlisle Should I assign @egreg? ;)
 
11 hours ago, by David Carlisle
@egreg I can think of someone else with write access to the sources
 
@DavidCarlisle thanks, I've added it to my TODO file for mathtools. I'm wondering, is \sideset only meant to be used with operators? or are there uses where using a \mathop internally may be wrong?
 
@daleif well it uses \mathop for the spacing on the right, so using it on the left doesn't seem so unreasonable. I added a (third) variant in that gh issue where the vertical rule actually overprints the subscript not just touched it, so I think it's clearly a bug and I'm tempted to fix it there (probably with an option to revert)
 
9:47 AM
@DavidCarlisle seems well explained
 
@daleif The documentation says it is only for big operators (\sum, \prod and alike) in display style.
 
@egreg since when did users read the documentation or know it is there ;-), no worries, I think it is a good fix
 
8
A: bigsqcup with sideset doesn't shrink in subscript

Hendrik VogtThe point is that \sideset just isn't designed to be used in sub- and superscripts: it issues an explicit \displaystyle in which the big operator will be typeset. In your case, you can just use \bigsqcup_B V in the subscript, as Peter suggests in his comment. The B is set at the side since it's i...

 
10:26 AM
@marmot @AlanMunn Pardon me if this was cleared up later in the thread (I am catching up), but doesn't this come from the (rather odd, in my opinion) TikX notation of writing polar coordinates as (φ:r) with the angle first?
 
11:10 AM
A friend of mine went for a business trip in the US. He had to fill out, amongst other things, his GitHub account.
 
yo'
@PauloCereda what?
 
@yo' I am as surprised as you!
 
 
2 hours later…
1:03 PM
@PauloCereda For entering Brazil should people tell their preferred team? And, depending on the officer, get rejected?
 
@egreg I think you are only forced to pick a team, otherwise you'll be labeled as an outcast. :)
 
Who would like to keep me company / motivate me while I stay up far too late finishing draft of a big grant I have due tomorrow?
 
@WillRobertson I can encourage you by quacking once in a while and cheer you up!
Quack!
 
@WillRobertson We are all here of course (as long as we get 10% of the grand...) :)
 
@PauloCereda quack indeed
@mickep Not sure I can play with those odds :)
 
1:11 PM
ooh advanced quacking
 
@WillRobertson Too bad! Well, just to spoil more of your time, what is the application about?
 
@WillRobertson: we can take photos with my lion during TUG 2018!
@mickep ooh I bet it's cookies
 
@WillRobertson What time is now at your place?
 
@PauloCereda Ohh, cookies!
 
@mickep exactly!
 
1:16 PM
@WillRobertson Is it for unicode-math?
 
@mickep I wish! My real job is in mechanical engineering. (Actually my real job is pretty fun too, but I do hope in the future I can get some manner of grant funding for my LaTeX work...)
@UlrikeFischer It's only 11:47pm right now :)
 
@WillRobertson ooh I am exactly 12 hours behind!
WAIT A MINUTE
THAT'S BRILLIANT
WILL CAN COME TO BRAZIL AND IT WILL BE LIKE AS IF HE NEVER LOST TIME TRAVELLING
 
@PauloCereda Oh by the way did you know there's a magnetic levitation system in Rio de J? I really need to visit that guy. (For legitimate work purposes.)
 
yo'
@PauloCereda but also, I wonder, are there flights from Australia to Brazil and back that would always go West?
3
 
@PauloCereda really exactly 12 hours? compared to me there is an 9,5 hours gap, so you are only 2,5 hours away from us?
 
1:23 PM
@UlrikeFischer Brazil is surprisingly far east :)
 
yo'
@UlrikeFischer Well, the question is where @Will lives in AU? Because to me it shows 13 hours difference between SP and AU East coast
And unfortunately, there seems to be no direct flights between AU and BR.
 
@WillRobertson I know that is not so far away, but I thought it would be 3-5 hours not only 2.5.
 
@WillRobertson Near west, you mean. ;-)
 
@WillRobertson ooh
@yo' oh no, that's too confusing
/quacks in despair
@UlrikeFischer ooooooh
Too complex stuff
@WillRobertson hmmm UFRJ I believe
 
@PauloCereda The internet claims that it is now 11.36 for you, that would be three hours.
 
1:36 PM
@UlrikeFischer Yes, that's correct!
 
@PauloCereda then you can't be exactly 12 hours from Will, he seems to live in one of the "half an hour zones".
 
@UlrikeFischer oh
 
1:51 PM
@UlrikeFischer Yes, one of the few :) This is where I live: twitter.com/southaustralia
@UlrikeFischer Interestingly, when we drove to Perth a few years ago (around 3500kms with very little in between) about halfway along there were signs saying to change our clocks by 45 mins — an undocumented timezone in the middle of Australia!
 
@WillRobertson oh no platypus
 
@PauloCereda I have never seen a platypus! They're very shy
 
@WillRobertson ooh
 
@PauloCereda But we did have a koala visit our back yard the other day when it was 40°C
 
@PauloCereda do they taste as good as duck?
 
1:56 PM
@DavidCarlisle Very doubtful :)
 
@DavidCarlisle you are mean
@WillRobertson ooh
 
Jun 29 '17 at 16:15, by Paulo Cereda
@DavidCarlisle you are not mean :)
 
@DavidCarlisle oh
 
@DavidCarlisle you're a crafty one!
@DavidCarlisle If I get this grant I might need your help implementing esoteric mathematical functions in obscure programming languages
 
@WillRobertson you mean TeX, right? :)
 
2:08 PM
@PauloCereda If I was using TeX for this I'd need Bruno's help, not David's! TeX can certainly typeset my equations, though :)
 
@WillRobertson oh no, that only means... FORTRAN
Run for the hills, people!
/quacks in despair
I like Fortran. :)
 
@PauloCereda Me too, especially when the fortran compiler made my computer sound like it was cooling down a pyre (some time ago) ;)
 
@TeXnician ooh :)
@TeXnician: I once wrote a lexer/syntactic analyzer for Fortran, it was a very... enlightening experience. :)
 
@PauloCereda Are you going to write a TeX lexer for ArTeXmis one day (to do accurate syntax highlighting)?
 
@TeXnician As crazy as it sounds, that's exactly my plan. :) Including catcode change awareness!
 
2:15 PM
@HaraldHanche-Olsen Technically, there are no polar coordinates, I think. Both original and transformed coordinates are cartesian. But of course the transformed coordinates (x_new,y_new) = (y_old cos(x_old/pt), y_old sin(x_old/pt)) could also be written in polar form as (x_old/pt : y_old). I think that this is why this called polartransform.
 
@PauloCereda Wow, I have to watch that repo ... oh wait, seems not to be pressing; you didn't even add some fancy icon, although even marmot has one ;)
 
@TeXnician :)
 
@PauloCereda I got excited for a minute and went to check out ArTeXmis, and discovered less than I expected :)
 
@marmot Um, that reminds me of the spoon bending girl in one of the Matrix movies. Her secret: There is no spoon.
 
@WillRobertson it's my soon to be new TeX editor. :)
 
2:20 PM
@HaraldHanche-Olsen I can assure you that there is no spoon here, either. ;-)
 
@WillRobertson: Deeply sorry, it's a WIP
 
@PauloCereda No worries, always good to keep your hand close to your chest!
 
@marmot Well, that expains it, then.
 
@WillRobertson Indeed. :) I have a list of things I want to do after thesis writing, and this editor is something I am really looking forward to implementing it!
 
Aug 26 '17 at 12:10, by Harald Hanche-Olsen
@samcarter Does anybody know tikz? With the possible exception of its author, of course. I have a feeling that the rest of us just muddle along, copying the work of others, adapting it to our own needs, and hoping for the best. I know that is how I do it, anyway.
 
2:24 PM
@HaraldHanche-Olsen Well, the terminology makes sense. The transformation is (x,y) \mapsto (x/pt : y) in TikZ syntax.
 
@PauloCereda it's not emacs:(
 
2:41 PM
okay, my grant is actually starting to look halfway sensible and it's past bedtime. goodnight and thanks for the company :)
 
@WillRobertson a merry quack and good night!
 
@PauloCereda Feep!
 
 
1 hour later…
3:56 PM
Hi, anyone awake?
 
4:12 PM
@JohnO no
 
I was hoping to get some advice, or possibly ridicule. Sometimes it's hard to tell them apart.
I'm sort of learning *TeX and book design simultaneously, and I have no idea how to arrange a particular table, or even if it should be a table at all.
 
@JohnO general rule is don't ask if you can ask, just ask:-) If people don't want to answer (or can not answer) they will ignore the question
 
yo'
@JohnO oh tables :-) Got a screenshot of it in any form?
 
@yo' It's just a text file at the moment, so no, sorry.
 
yo'
@JohnO ah
 
4:18 PM
I have a (sort of) numbered list of items, and it's hierarchal in nature. 3 - some category, below that 31 - subcategory of above, 310, 311, 312 items in subcategory.
And I've been using longtables for the simple ones (no subcategories) with just 2 columns.
I tried to nest longtable, but that doesn't work. I suspect that it gets confused over where the outter table's columns end.
 
@DavidCarlisle ^^ longtable, it's your fault
 
6
A: How to get long enumerate list in \longtabu across the page like MS word can easily do?

Ulrike FischerAvoid tables for this type of layout. In most cases you can achieve similar effects by nesting normal lists, and if you really need a frame you can use tcolorbox: \documentclass[12pt]{article} \usepackage{lipsum,enumitem} \usepackage[many]{tcolorbox} \begin{document} \begin{tcolorbox}[breakable...

@PauloCereda user error (it's an error to use my packages)
5
 
@DavidCarlisle :)
 
I've slowly been chipping away at a long list of things I didn't know how to do with TeX, and it's now occasionally rendering pdfs which have some pages that don't look godawful.
 
Jan 22 at 13:54, by TeXnician
@DavidCarlisle As long as they are longtables and spread to text width and one can insert a footer like "Blame DPC" you could get away with it ;)
 
4:24 PM
To the point where I'm not starting to see the promise of not doing it in Pages or MSword.
 
@JohnO Any visual example?
 
@TeXnician: I have something interesting, but I cannot reveal now. :)
 
That's the simple one, using longtable. The other list...
 
@PauloCereda You've finished your thesis? That was fast :)
 
4:28 PM
@JohnO That's no table
 
@TeXnician nope. :)
 
@PauloCereda You've started implementing ArTeXmis to advance procrastination?
 
@egreg That's why I'm here, to ask if anyone had any advice on how to arrange that. But that's longtable at the moment. I tried with a list (forget what it's called in TeX) at first, but couldn't get the leading zeroes, or some of the other stuff right.
Here's the other, more complicated (partial) list: pastebin.com/PcWeJVhK .
 
@JohnO There's a recent question about padding with zeros.
15
Q: How to left-pad an integer with zeroes to make it many digits?

KuttensA minimal working sample should be give first: \documentclass{article} \newcounter{mynumber} \makeatletter \AtEndDocument{% \immediate\write\@auxout{% \string\setcounter{mynumber}{\number\value{mynumber}}% }% } \makeatother \AtBeginDocument{% \stepcounter{mynumber} } \begin...

 
@TeXnician along those lines. :)
 
4:33 PM
@JohnO I'll have a look later. Need to catch a bus in a few minutes.
 
@PauloCereda The ArTeXmis one or the procrastination?
 
@TeXnician both. :)
 
@PauloCereda Then I'll wait until you reveal your "something interesting" :)
 
@TeXnician <3
 
4:54 PM
@JohnO looks both like lists to me, perhaps with some sectioning commands. imho there is no reason to use a table.
 
@UlrikeFischer Even if it should be a proper list, the headings/subheadings means it's a nested list doesn't it?
 
@JohnO Yes there is nesting. But nesting lists is easy ...
 
5:29 PM
@JonasStein Did you see this: butta.org? It risked to be one of the possible parties in the next Italian election ("fisica" could be intended in another sense in Italian) :):):)
 
5:57 PM
@CarLaTeX I immediately thought about removing “si”. ;-)
 
@egreg I think it's the same thought of the voters for that party, LOL!
 
@JohnO Here is a possible solution
\documentclass{article}
\usepackage{enumitem}

\newlist{biglist}{itemize}{3}
\setlist[biglist,1]{leftmargin=0pt,labelwidth=0pt,labelsep=0pt,label=}
\setlist[biglist,2]{leftmargin=1em,labelwidth=0pt,labelsep=0pt,label=}
\setlist[biglist,3]{leftmargin=1em,labelwidth=0pt,labelsep=0pt,label=}

\begin{document}

\begin{biglist}
\item 3 - Mainframe \& minicomputer era languages \& derivatives
\begin{biglist}
\item    311 - Early or primitive languages
\begin{biglist}
\item        3111 - FLOW-MATIC
\item        3112 - AIMACO
 
@DavidCarlisle -- i haven't seen any such notices, either to me or to tech-support. (i didn't even know that might/should be happening. i would have noticed if anything had arrived.)
 
6:14 PM
I did manage to get lists to nest, I just couldn't get the numbering right. I assume that styling the list a little atypically wouldn't be much of a challenge, but the numbering was tricky.
Not just leading zeroes, but sometimes I need to skip numbers and so forth.
 
6:50 PM
@barbarabeeton: home?
 
yo'
@PauloCereda sweet home?
 
@yo' Alabama?
:)
 
@barbarabeeton we moved to github see latex-project.org/news/2017/12/15/github-move a consequence of which is the old associations of gnats to email is gone. You or ams support (or anyone) could "watch" the latex2e repository and so get notified of issues, currently as amsmath is part of the main repo it's probably not so easy to just be notified of amsmath ones, unless you/ams have a github account and we manually assign amsmath ones to you
 
@PauloCereda -- out of quarantine. at office, actually. been released with no restrictions. carrying a cane (good weapon!).
 
@barbarabeeton ooooh
A cane gun is a walking cane with a hidden gun built into it. Cane guns are sometimes confused with so-called ‘poacher's guns.’ These are usually a more portable—and a more easily concealed—version of conventional sporting guns, commonly a single or double-barrelled shotgun based on the relatively affordable Belgian leClercq action. In this and in similar designs, a folding shotgun with a modest barrel length can be made to fold back until it lies beneath the stock and, thus, easily carried under a coat. An alternative form is in effect a very long-barrelled pistol fitted with a detachable, sometimes...
@DavidCarlisle ^^
 
6:58 PM
@JosephWright Could you please test something with beamer version 3.49?
\documentclass[ignorenonframetext]{beamer}

\begin{document}

    \begin{frame}
        Stuff!
    \end{frame}

    \appendix
    \begin{frame}
        Time for questions.
    \end{frame}

\end{document}
 
@DavidCarlisle -- the question about who should watch has to be settled here. i will be retiring next year, and it's not clear that the "management" even cares if anyone pays attention any more to amsmath. as you know, i believe strongly that they should. i shouldn't be the only person involved, or getting notified.
 
@JosephWright It fails for me with tex capacity exceeded, but maybe I just messed something up in my installation.
 
@PauloCereda -- i think i'm more the type for a sword cane. much less noisy.
 
@barbarabeeton oh! :)
 
@barbarabeeton yes I guessed as much.
 
7:01 PM
@samcarter I see a loop too
 
@PauloCereda a duel, your pea shooter against my cannon
 
@DavidCarlisle -- that should be one heck of a fireworks display!
 
@CarLaTeX Thanks. Checking this out now.
 
7:17 PM
@UlrikeFischer (@JosephWright) Thanks for checking! It used to work last February, so I will start digging
 
@JohnO ?
@PauloCereda In Italian cane=dog
 
@samcarter Note to myself: the problem is somewhere between 3.43 and 3.44
 
7:34 PM
Oops, misread who posted that.
@egreg Rather.
 
@JohnO :):):)
 
@JohnO To reply to a specific message, you can hover the cursor over it, and click the arrow that shows up on the right side.
 
8:03 PM
@samcarter 3.435
 
8:18 PM
@samcarter, @UlrikeFischer Issue is checkin 9961645d5dcf84a3a01907d64c5045c31d232533
@samcarter, @UlrikeFischer github.com/josephwright/beamer/issues/464
 
8:53 PM
Is this the best question/answer for setting the number of lines per inch: tex.stackexchange.com/questions/23824/6-lines-in-one-inch
 
@barbarabeeton I have some music written for a cane flute. Less violent.
@barbarabeeton @PauloCereda (also @JosephWright) csakan.de/en/csakan-rediscovered
 
9:11 PM
@StrongBad I think I'd probably just use \fontsize{..}{..} directly rather than calculating the stretch you need to get back to that number, but whatever is needed. I thought the question meant a specification of the linespacing but egreg apparently correctly took it to mean literally fitting 6 lines in to an inch, hence the topskip adjustement
 
@AlanMunn -- delightful! i have a friend who plays the recorder, and is also suffering from wear and tear on her two replacement hips after 25 years. this will be forwarded to her with great pleasure.
 
@DavidCarlisle Amazing! DPC agrees with me!
 
@barbarabeeton That's where I came to discover it, because there's only so much baroque music one can play. The czakan repertoire being mainly 19th c is wonderfully schmaltzy and fun to play.
 
@DavidCarlisle so setting the baselineskip to be 12.045pt would do the trick? If I want a 12pt font with 6 lines per inch I would do \fontsize{12}{12.045}?
 
@egreg I even gave you a vote earlier today (not that you deserved it)
@StrongBad yes or \fontsize{12bp}{12bp}\selectfont if you want to use the same point unit as other people (of the digital age)
 
9:20 PM
@DavidCarlisle right, my font size is off. I didn't realize \fontsize could take a length or a number. That is pretty tricky. I might have to look at how it does that.
 
9:30 PM
@AlanMunn -- hah! when you said "cane", i was thinking you meant something like a reed flute, but no, you really meant walking-stick-kind-of-cane. neat!
 
9:55 PM
@UlrikeFischer you understand luaotfload... is it possible (or at least convenient) to get the equivalent of Luigi's context code in latex (with three whatevers below the line in the left hand word rather than five)
3
A: Typing in Hindi

Luigi ScarsoIt depends on the features enabled: in ConTeXt mkiv (luatex engine) with the feature "devangari-two" (expanded as below) we have \definefont [DevaLohiTwo] [file:Lohit-Devanagari.ttf*devanagari-two at 16pt] \starttext \startTEXpage Features enabled: \starttyping abvm | abvs | akhn | blwf |...

 
10:23 PM
@DavidCarlisle I don't get Luigi's first output in a current context standalone (just tried). But in latex \font\test="file:Lohit-Devanagari.ttf:mode=node;script=deva" seems to work with a with my current active fontloader fontloader-reference.2017-12-12-patched.lua
 
@UlrikeFischer ooh thanks interesting, looks good (I think) @ShreevatsaR might be able to read this better:-) I suppose there needs to be a plan to update the base fontloader...
 
@DavidCarlisle With the default fontloader it seems to work too.
 
oh hang on let me try, I thought I'd tried that but perhaps I'm confused
 
@DavidCarlisle \setmainfont{Lohit-Devanagari.ttf}[Script=Devanagari] doesn't work, imho as it uses script=dev2 internally instead of script=deva.
 
@UlrikeFischer so can you use script=deva via fontspec syntax? or does it require the primitive font syntax currently
 
10:36 PM
@DavidCarlisle With \newfontscript{Devanagari}{deva,dev2} it also works with fontspec (see tex.stackexchange.com/a/326142/2388)
@DavidCarlisle beside this one can always add features with the rawfeature key.
 
@UlrikeFischer hey this asking questions business works, doesn't it, do you think it will catch on?
@UlrikeFischer yes rawfeature was what I was thinking of, not sure I'd noticed newfontscript before, it worked though. I think I'll update my answer
 
@DavidCarlisle Why did the question came up now?
 
@UlrikeFischer I got a vote and couldn't recall the question so had a look and noticed Luigi's context result looking better than my luatex, so I doubted my answer saying xetex was intrinsically better than luatex at these scripts and thought I'd better check current status
 
@DavidCarlisle ah. Btw: while deva works it also gives a warning:"luaotfload | features : Support for the requested script: "deva" may be incomplete" (even with the newest fontloader).
 
@DavidCarlisle Yes the output looks good :-) No problems I can see. This is without using HarfBuzz, do I understand correctly?
 
10:48 PM
@ShreevatsaR yes, I posted a complete test document to my updated answer, seems to work.
 
Yes I tested too, it seems works fine. Just tested it with another script and unfortunately it's just for Devanagari; for other Indic scripts it seems that LuaTeX is still not doing the right thing…
 
@ShreevatsaR Thanks for testing. Still it's progress.
 
definitely
For the other scripts, I also heard of multiple people getting good results integrating LuaTeX with HarfBuzz, but haven't looked at any of those myself… maybe if the situation doesn't improve in a few years then some distribution like TeX Live may distribute that integrated version as another option. That would be nice
 
11:05 PM
@JosephWright Thanks for digging into this problem!
 
@ShreevatsaR yes we are watching developments on that front:-) a couple of github projects plus there was a paper (but I have only seen the abstract) From Hans and Luigi on using harfbuzz (but I think using luajittex, ffi and requiring shell accerss, so Ok for testing but not for production use yet)
 
nice
 
luatex+harfbuzz would probably be enough to retire xetex I suspect and allow development of packages just targetting one engine, which would simplify things
 
@DavidCarlisle This would be a good thing for sure. Much as I like xetex having two engines doing very similar things is not ideal.
 
11:46 PM
I was thinking of writing another TeX engine… if only I was 100 times better as a programmer, and had 100 times the energy and time I have now
I guess it's a good thing neither of those is true. :-)
 

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