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6:20 AM
This user don't know to have wiritten the best joke of the year: tex.stackexchange.com/questions/614981/… (read the comment of leandris first)
 
 
2 hours later…
8:31 AM
@CarLaTeX LOL
 
9:24 AM
@CarLaTeX no words. just... no words. :|
 
@Plergux :D
 
@CarLaTeX it's like... Person: my car don't work. Mechanic: ahm, well you've taken the engine out? Why did you do that? Person: Because it didn't work.
 
@Plergux Exactly the same :)
 
@PauloCereda LOL
 
9:29 AM
@PauloCereda The solution of all the problems :)
 
@CarLaTeX and the best part is...
Apr 24 at 17:59, by David Carlisle
NOT MY FAULT
 
@PauloCereda LOL
 
9:51 AM
@CarLaTeX And then to top it all off... Person: You'll give me a new engine for free, right? Mechanic: *brain explodes
 
10:47 AM
@Plergux Well, bicycling is better for the health, anyway.
I've made a very belated New Years's resolution to use \NewDocumentCommand everywhere in future. Unless TeX tells me I can't for some reason.
 
Captions for the win :)
2
 
11:29 AM
@DavidCarlisle a sensible comment ;-) tex.stackexchange.com/questions/615010/…
 
@UlrikeFischer Gert should upvote it :)
 
@UlrikeFischer "do what I say, not what I do"
 
@DavidCarlisle Matthew 23:1-4
 
@PauloCereda and I thought it was "mum"
 
@DavidCarlisle ooh
 
12:09 PM
@PauloCereda lol
user image
2
 
@CarLaTeX annoying comma fixed
 
@DavidCarlisle Thanks, you're not mean :D
 
12:47 PM
@PauloCereda He wouldn’t even if he could. He claims that there is nothing special about it since he has been doing this for most of his life.
 
@UlrikeFischer ooh
 
1:39 PM
@FaheemMitha Yeah, well for everybody if we are talking about people who should not be let anywhere near a motorized vehicle :þ
 
user image
5
@barbarabeeton ^^ ooh
 
1:55 PM
@Plergux -- Yesterday I saw an ad for a t-shirt that says "Yes, as a matter of fact, I can drive a stick." I'm thinking of acquiring one.
@PauloCereda -- ooh!
 
@barbarabeeton like that ^ ?
 
@DavidCarlisle -- Yes, that's the accompanying picture. (I'm capable of handling 3, 4, and 5 speeds forward, and finding the reverse setting with no problem, unlike some parking lot jockeys I've encountered. It's really distressing when you're asked to retrieve your own vehicle because the attendant is unable to do so because it's facing a wall.)
 
2:11 PM
Never mind
 
@barbarabeeton Would make a nice bumper sticker :)
@CarLaTeX :) This OP needs a keyboard on which the \ key is wired to a high voltage source - maybe this would stop them to abuse \\ for line breaks [but I don't understand why the question is closed, it is just a simple syntax error in the title]
 
@barbarabeeton the flip side is that when we spent my sabbatical year in Colorado, I got a really nice price on an used car because it had a stick... and when I did the driving test (they wanted it) the official told me "I hope you do well, I would be not too comfy driving this" :-P
 
2:30 PM
"How can I use `\phantom{<symbol>}` without affecting the spacing?"
(I already figured out how to solve this issue -- view mathcode of the original then wrap `\mathXXX` around the result, but is this question suitable for the main site?)
(there's a specific use case which the chat box is a little too small to explain.)

By the way I can't find this question anywhere online. Normally I don't think this is esoteric enough that nobody have asked (unlike for example Python questions on stackoverflow)
 
@barbarabeeton I don't think I've ever had my car parked by someone else, you obviously park at posher places than I do:-)
 
@Rmano -- Well, you're still here, so guess you did well! (I drove a 2-cycle SAAB across the country, from Rhode Island to southern California, a looong time ago. That vehicle also had free wheeling, which was something one really wanted to disengage when driving in the mountains. It's no fun when your brakes fail and there's no engine braking. But it is fun when it's flat, and all that's around you is cornfields.)
 
4
A: \phantom with always correct spacing (taking into account its surroundings)

David CarlisleThe spacing is affected by the math class of the atom and the adjacent atoms. The usual trick of adding {} allows a \mathrel atom to stay as a relation and not turn effectively into a mathord and lose its spacing, but as you note it doesn't always get the correct spacing if the adjacent items are...

 
@DavidCarlisle -- Not by choice, I assure you, But (it used to be) when one parked in a Boston lot to go to a concert at Symphony Hall, there was often no choice.
 
@DavidCarlisle ooh ^^ that's posh ^^ :)
 
2:36 PM
@barbarabeeton Yes, I did quite well at the time. Consider that I never had driven an automatic before (most car are still manual in Spain or Italy, although things are rapidly changing...now we own one of each type)
 
I don't even know how to tie a tie
 
@PauloCereda -- You're smart enough; you can learn. On the other hand, turtlenecks are much more comfortable.
 
@PauloCereda like that ^
 
@barbarabeeton ooh
@DavidCarlisle ooh
 
@DavidCarlisle looks like the duckduckgo logo
 
2:42 PM
@DavidCarlisle -- Ooh! Formal dress!
 
@barbarabeeton I'm not sure the door manager at Symphony Hall would let you in as formal dress code if you showed up just wearing a bow tie and a smile.
 
@DavidCarlisle /formally quacks
 
@PauloCereda formal dinner
 
@DavidCarlisle -- Boston is usually too cold to go dressed that way. As I told @PauloCereda, tutrlenecks are more comfortable.
 
@DavidCarlisle 𝖖𝖚𝖆𝖈𝖐, 𝖌𝖔𝖔𝖉 𝖘𝖎𝖗
@DavidCarlisle oh no
@barbarabeeton They are :)
 
2:51 PM
Looks like I didn't look hard enough.
There are some other things...

How can I define a new verbatim-like environment that does something else with the content, for example write it to a file *then* do some other thing? (verbatim package, redefine verbatim@line hook and similar? I think there should be some simpler solution and it's already asked somewhere)
 
@user202729 usual way is use verbatim or some other package or the filecontents environment to write it to a file then input it back in different ways, lots of examples of showing latex source and output side by side do that write the example code to a file than do listings or verbatiminput in one minipage and a normal input in another
 
That one looks useful, I didn't know that
But I mean should there be some way to simplify the "common code after the environment"?
Okay I think I know what to look for "LaTeX extend filecontents environment"?
 
@user202729 I doubt there is really any generally applicable thing that can be done each case is quite different.
 
Okay I found what I want to look for, VerbatimOut in fancyvrb package is extensible (usable in \NewDocumentEnvironment)
and it's possible to use the content of the file after wards
Both issues are already answered somewhere, I'm just not searching for the right keywords.
 
@user202729 the trick is to search for the answer not the question.
 
3:03 PM
But that's if you know the answer, as usual
Another one -- how can I get ∅ when Unicode-math is loaded?

Both suggestions in https://tex.stackexchange.com/questions/22798/nice-looking-empty-set produces the "ugly" variant, some other answer on the site says that `unicode-math` and `amssymb` is incompatible
 
@user202729 well yes:-)
@user202729 type ∅ ?
 
\text{\o} (third answer there) looks somewhat nice but it isn't exactly the same symbol
No, I want a perfectly rounded one like varnothing of amssymb
When unicode-math is loaded, all of , \varnothing, \emptyset produces the ugly symbol
 
@user202729 that isn't unicode-math it's the arguably wrong latin modern unicode math font, try:
\documentclass{article}

\usepackage{unicode-math}
\setmathfont{Stix Two Math}

\begin{document}

1 $ ∅  $


\end{document}
 
@samcarter I don't know why they close it, but closing "rules" are strange...
 
@user202729 although with latin modern you can use U+2300 which also works with stix but is a bit small there
\documentclass{article}

\usepackage{unicode-math}
%\setmathfont{Stix Two Math}

\begin{document}

1 $ ∅ + ⌀ $


\end{document}
U+2300 is DIAMETER SIGN but historically it's the same symbol in many font sets
 
3:19 PM
Okay, but it's somewhat wrong-semantic I guess ^
Looking around...
The definition of \varnothing in amssymb is \mathchar"53F
That one works too. Although I don't know why Unicode-math have \varnothing incompatible with amssymb
 
@user202729 but that doesn't help at all as that's just the number in an encoding that's only used in that fon
@user202729 blame @barbarabeeton the unicode technical committee
@user202729 as I say, this is not unicode-math it is the font. unicode math just asks for U+2205 (EMPTY SET) it has no control over the shape of the glyph, If latin modern math font designers choose to put a slashed zero there rather than a slashed circle then unicode-math has no control over that
If you mean that using \mathchar"53F works then not really. It might if you have loaded amssfonts in addition to unicode-math but it's then not using the font set that you have specified with unicode-math just accientally coming from the legacy 8bit ams fonts,
 
3:37 PM
@user202729 see also
8
Q: Empty set symbols confused

AdamI am trying to typeset the symbol for empty set and using the answer of that question I chose \varnothing but when I used it I got the symbol that is described to be \emptyset and vice versa. Also when I use the amssymb package I get these errors: Command `\eth' already defined. Command `\digam...

 
@barbarabeeton @UlrikeFischer @samcarter twitter.com/shouldhaveaduck/status/1436706384213540868
 
hello all. I have to provide an appendix as a separate file from the main paper. the appendix has to \ref a theorem from the main paper. I wanted to solve this by just defining an empty theorem in the appendix main tex and giving it the same label as the one used in the main paper tex file, but without any content. however I'm not sure how to do this without the theorem environment showing up, any advice?
screenshot of what bothers me: i.stack.imgur.com/mF3E3.png
 
@jcora you don't have to use ref you an just type the number by hand since you are at final publication stage anyway, or if you want to \ref the theorem from your main file see the xr package
 
@Plergux Yes, there are many such people here.
 
ah I guess that's a good solution. but I was wondering if there's a way to maybe still get a label I can ref
 
3:44 PM
@jcora xr package does exactly that
 
thanks:D
 
@jcora or xr-hyper if you want a hyperref-compatible version that makes the ref a link
 
nah, think we're not doing links, but good to know
 
@PauloCereda feature request for chat: there should be ping-groups so one could write @everybody_who_likes_ducks instead of all the names :)
 
@samcarter ooh
 
3:50 PM
@jcora ... or you could prepare one single pdf file and then split the file into two
 
@DavidCarlisle Okay, thinking about it a little I can understand where the differences come from. I left a comment link to the related question under the main answer
 
@samcarter yeah I tried that first but adobe wants me to register haha, and I didn't want to explore other potential tools
also this messed up my counters, anyone know how to begin the lemma counter from 2 instead of 1?
 
@jcora With mac preview, one can do this via drag&drop or have a look at stackoverflow.com/questions/17776582/split-a-pdf-in-two for some command line solutions
 
@jcora -- The terrain looks like an area behind the dunes near the Atlantic Ocean on a Georgia island I'm familiar with. But the inhabitants there are more likely to be fiddler crabs.
 
@jcora maybe try something like \addtocounter{theorem}{1}?
 
3:56 PM
thanks @samcarter ! (also, I only have a windows machine)
 
@jcora -- Sorry, that was really a response to @PauloCereda regarding his pointer to a flood of ducks.
 
I figured:p
 
@barbarabeeton I somehow think you would be very good at geoguessr.com
 
I'm gonna go with pdftk in the end to split the main pdf, works on windows!
 
How can I change only the word "Figura" to another one of my choice?
 
4:06 PM
@ihavenoidea This will depend on your documentclass and packages. Please make a minimal working example
 
Alright, I'll try. Thank you
 
@samcarter -- Looks interesting. Will have to try it later. I learned to read maps at a very young age out of a strong sense of self-preservation. And while I was traveling a lot on business, before I went, I would obtain a good map (there was a wonderful store within walking distance of the office called "The Map Center"), and I still have a shelf full. Everything has changed now. An online map and GPS just aren't the same.
 
@barbarabeeton I love maps. Nothing better than explore a foreign city with a good paper map :) One sees a lot more when looking around for landmarks or signs compared to looking on some small screen in your hands.
 
@samcarter -- When you put the map away, do you restore it to its original folding pattern, or do you come up with something that you expect to be more convenient when you refer to it again?
 
Does anyone here run electricity off solar? I was just looking into it.
Solar panels in particular, but also other approaches if applicable.
 
4:21 PM
@barbarabeeton That's a function of the map's value. For high quality maps I put it back, but for the gift maps, e.g. the one you get at the hotel or the tourist office, I fold them as needed (I actually use a two-map approach most of the time. Have a good complete map in my bag and then some tiny one in my pocket which I can consult for a quick look)
@barbarabeeton What's your folding technique?
 
@samcarter shove it inside a backpack until it fits? :)
 
@PauloCereda :) A fried of mine has a map of London printed on a cloth - would be perfect for you!
 
@samcarter ooh
 
@samcarter -- Good maps, restore to their original condition. Hotel and "placemat" maps, whatever is most convenient; they're usually disposable. I also have a few bandanas printed with maps -- they get worn, and by now are mostly worn to shreds; I hope to find replacements.
 
@barbarabeeton bandana maps sounds like a very good invention!
 
4:31 PM
@samcarter -- During some wars, maps of the target area were printed on cloth (they were eminently concealable) so that the person could know the territory in case an escape route was needed.
 
@barbarabeeton That's clever!
@barbarabeeton A couple of years ago, a book store chain would sell these bags. If you came to a new city, go to a bookshop, spoil yourself with a new book to read on the travel home and get a map bag to know where you are :)
(also good to have additional transport capacity in case of too many book purchases)
 
Going back to my question, a minimal code is here (pastebin.com/rRhkNX7n). I am able to change the title of figures with "\renewcommand*\listfigurename{List of figures}" and change the "Figure" word right below an image with "\renewcommand*{\figurename}{Figure}". However, I cannot change the word "Figure" that appears on the List of figures" section.
The package (or whatever it's called) called abntex2 is a typeset for brazilian (portuguese) thesis, so I don't know if anyone that does not understand portuguese can help on this.
 
@samcarter -- Neat! When I was at Stanford learning TeX, the group was invited to DEK's house for a party. The concrete slab floor of the "great room" was decorated with the Geological Survey topo maps of the area. Delightful! And I noticed a small crack at one side of the room, right along the San Andreas Fault! Wow! Sadly, by the next time I visited, the floor had been repainted. What a kiss!
 
(The same for "Tabela" which means Table as well xD)
 
@ihavenoidea we can blame @PauloCereda for abntex2
 
4:41 PM
@samcarter -- We were squeezed out of a 5-room apartment by books. We "solved" that problem by moving to a house that's right down the street from an excellent branch library.
 
@ihavenoidea Internally the babel package is used, so you can do \addto\captionsbrazil{\renewcommand{\figurename}{Figure}}
@barbarabeeton wow, a crack at the correct place, that's attention to detail!
 
@samcarter possibly more useful than my suggestion
 
@barbarabeeton :)
 
@samcarter -- Either that, or amazing karma!
 
@samcarter That was bugging me heaps, thanks a lot!!!
 
4:47 PM
@ihavenoidea You're welcome! (but you can still blame @PauloCereda, that's always a good strategy :) )
 
I'm assuming he wrote it? xD
 
@ihavenoidea no but he's Brazillian and moaned about it a lot
 
@ihavenoidea He's from Brazil, that's all the qualification need to get blamed :)
 
@ihavenoidea in fairness, an actual quote
Aug 5 '17 at 13:24, by Paulo Cereda
@Joseph Nah but I probably poisoned people with my ABNT rants. Nothing towards abntex2 though, which I believe it's good. :)
 
How dare you @PauloCereda
Though I'm with him on this, the ABNT rules are stupid
 
 
2 hours later…
7:19 PM
@UlrikeFischer Hi, very kind but this question is old without an answer. tex.stackexchange.com/questions/611798/…. Does occour close it?
 
@barbarabeeton Not just maps. In the field, the medics have pens with which you can write on cloth. They can be used to write on the clothing and bandages of the wounded the injuries detected and the treatments carried out so far and things that need to be done/observed by those treating them subsequently. Often this is better than giving paper, which can easily be lost because the wounded do not carry it on their person. But you can also write directly on the butt with a camouflage pen for skin :-)
 
@UlrichDiez -- That's not a surprise. I've been written on when an emergency room physician was watching a rash not so slowly progress down my leg. Washing the ink off wasn't so easy though. But using such tactics to make sure that information doesn't get lost is a really effective tactic.
@UlrichDiez-- Perhaps you remember the story of a commander in ancient Greece who wanted to send a secret message. He had the head of the courier shaved, wrote the message on the shaved head, waited just long enough for hair to grow back enough to hide the message, then sent the courier on his way. Courier didn't know what the message said, and wouldn't divulge the secret of how to read it to the enemy, who therefore allowed the courier through.
 
7:46 PM
@Sebastiano sure, there is no example, so you can vote to close as unclear if you want.
 
Hmm, can anyone explain the diff between x and e type arguments in expl3?
Docs don't say much at all.
 
@Noldorin x type arguments require all # to be doubled and are never expandable, but they are more compatible with ancient engines.
 
8:02 PM
@MarcelKrüger Ah right. So e-type ones are recommended going forwards?
and functions containing V/o-type arguments are still expandable, like e-type ones, or not?
 
@barbarabeeton I hope the rash isn't a problem any more. Honestly, I can't remember ever knowing the name of a particular ancient commander who used this "balding" technique. All I can remember in this context is that I read about it in an article in the shallow magazine "Spiegel" about ancient methods of transmitting secret messages. This magazine was on display in a barbershop and I waited for my turn... :-)
 
@Noldorin Yes, x type arguments are the only ones which can not be expandable (since they are implemented with \edef and not everyone is using LuaTeX). Of course, this does not mean that every function with V/o/n/... type arguments is expandable, it still depends on what the function does.
 
@UlrikeFischer Sorry for the observation, but I'm a little groggy from the plutonium vaccine inoculation ahahahahah LOL :-) I'm going to bed in a bit.
Best regards to all users into the chat.
 
@Noldorin I can't think of any reason for using :x over :e for new code which doesn't have to deal with compatibility.
 
@MarcelKrüger Makes sense, thank you.
 
8:11 PM
@UlrichDiez -- No, rash isn't a problem any more; it was from a bacterial infection that nobody ever figured out how I got it, and one physician misdiagnosed it as the flu, even though I told him I knew it wasn't, resulting in it's having its way with me for half a week with no attention. I'm a demonstration that antibiotics, used properly, are really miracle drugs. But don't use them for things where they're not called for, please! If that continues, they will become useless.
 
@MarcelKrüger And to be clear: \exp_not should work inside e/o/V-type arguments, but not x-type arguments, right?
 
@barbarabeeton I know only too well that doctors do not want to believe their patients when they say something. The matter has not left me any peace. In my old exercise book from the seventh grade I found what I was looking for.. The teacher had dictated into our exercise books:
@barbarabeeton The Ionian Revolt (500-494 BC) began with a secret message. The mastermind of the revolution, Histiaeus, had a slave's head shaved. On the bald head he wrote a secret message to Aristagoras. Now the hair only had to grow and thus hide the writing. The trick worked, the hidden message arrived and Aristagoras, as planned, led his soldiers to war against the Persian king Darius I.
 
8:29 PM
@UlrichDiez -- You are surely an efficient packrat. Finding that entry in a seventh grade exercise book is phenomenal! I don't have anything older than college; my mother cleaned everything out quite thoroughly when I decamped. (Old engineering textbooks are most effective substitutes for bricks when building bookcases.) As for doctors, I've mostly been very fortunate to find good ones who listen; the misdiagnosis was by a substitute when my regular was away at a conference.
 
@Noldorin \exp_not: should work in x-type arguments too. (In o type arguments on the other hand it doesn't really work and in V type arguments \exp_not: can't appear in the first place since they only contain a single token with a variable name)
 
8:44 PM
@Noldorin x uses \edef internally, e uses \expanded (so is new)
 
 
2 hours later…
10:45 PM
@MarcelKrüger @David Thanks, got it.
 
 
1 hour later…
11:52 PM
Okay, one more (vaguely related) thing... how do I \show a command defined with \NewDocumentCommand? It doesn't seem to print the body.
 

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